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Irina Fierro

Bib: 24689•F

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Female)

#0 / 12578

Masters (Masters Women)

#0 / 6862

Age Group (F55-59)

#0 / 951

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

27:49

3.11 mi

Rank: #22437

Start → 5K

27:49 | 8:58/mi

27:49

3.11 mi

Rank: #22437

Start → 5K

27:49 | 8:58/mi

10K

55:47

6.21 mi

Rank: #22634 (-197)

5K → 10K

27:58 | 9:01/mi

10K

55:47

6.21 mi

Rank: #22634 (-197)

5K → 10K

27:58 | 9:01/mi

15K

1:23:44

9.32 mi

Rank: #22656 (-22)

10K → 15K

27:57 | 9:00/mi

15K

1:23:44

9.32 mi

Rank: #22656 (-22)

10K → 15K

27:57 | 9:00/mi

20K

1:52:19

12.43 mi

Rank: #22658 (-2)

15K → 20K

28:35 | 9:13/mi

20K

1:52:19

12.43 mi

Rank: #22658 (-2)

15K → 20K

28:35 | 9:13/mi

HALF

1:58:25

13.11 mi

Rank: #22645 (+13)

20K → HALF

6:06 | 8:57/mi

HALF

1:58:25

13.11 mi

Rank: #22645 (+13)

20K → HALF

6:06 | 8:57/mi

25K

2:21:04

15.53 mi

Rank: #22637 (+8)

HALF → 25K

22:39 | 9:21/mi

25K

2:21:04

15.53 mi

Rank: #22637 (+8)

HALF → 25K

22:39 | 9:21/mi

30K

2:50:40

18.64 mi

Rank: #22448 (+189)

25K → 30K

29:36 | 9:32/mi

30K

2:50:40

18.64 mi

Rank: #22448 (+189)

25K → 30K

29:36 | 9:32/mi

20M

3:03:43

20.00 mi

Rank: #22352 (+96)

30K → 20M

13:03 | 9:37/mi

20M

3:03:43

20.00 mi

Rank: #22352 (+96)

30K → 20M

13:03 | 9:37/mi

21M

3:13:47

21.00 mi

Rank: #22249 (+103)

20M → 21M

10:04 | 10:04/mi

21M

3:13:47

21.00 mi

Rank: #22249 (+103)

20M → 21M

10:04 | 10:04/mi

35K

3:20:55

21.75 mi

Rank: #22239 (+10)

21M → 35K

7:08 | 9:33/mi

35K

3:20:55

21.75 mi

Rank: #22239 (+10)

21M → 35K

7:08 | 9:33/mi

23M

3:33:09

23.00 mi

Rank: #22174 (+65)

35K → 23M

12:14 | 9:47/mi

23M

3:33:09

23.00 mi

Rank: #22174 (+65)

35K → 23M

12:14 | 9:47/mi

24M

3:42:36

24.00 mi

Rank: #22135 (+39)

23M → 24M

9:27 | 9:27/mi

24M

3:42:36

24.00 mi

Rank: #22135 (+39)

23M → 24M

9:27 | 9:27/mi

40K

3:50:54

24.85 mi

Rank: #22113 (+22)

24M → 40K

8:18 | 9:43/mi

40K

3:50:54

24.85 mi

Rank: #22113 (+22)

24M → 40K

8:18 | 9:43/mi

25.2M

3:54:33

25.20 mi

Rank: #22098 (+15)

40K → 25.2M

3:39 | 10:36/mi

25.2M

3:54:33

25.20 mi

Rank: #22098 (+15)

40K → 25.2M

3:39 | 10:36/mi

FINISH

4:04:15

26.22 mi

Rank: #22116 (-18)

25.2M → FINISH

9:42 | 9:32/mi

FINISH

4:04:15

26.22 mi

Rank: #22116 (-18)

25.2M → FINISH

9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:58:25

Pace9:02 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:05:50

Pace9:36 /mi

📊Positive Split: 6.3% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:33:04	27:49	8:58	27:49	8:58	-
10K	6.21 mi	12:01:02	55:47	8:59	27:58	9:01	+0:03
15K	9.32 mi	12:28:59	1:23:44	9:00	27:57	9:00	-0:01
20K	12.43 mi	12:57:34	1:52:19	9:03	28:35	9:13	+0:13
HALF	13.11 mi	13:03:40	1:58:25	9:02	6:06	8:57	-0:16
25K	15.53 mi	13:26:19	2:21:04	9:05	22:39	9:21	+0:24
30K	18.64 mi	13:55:55	2:50:40	9:10	29:36	9:32	+0:11
20M	20.00 mi	14:08:58	3:03:43	9:12	13:03	9:37	+0:05
21M	21.00 mi	14:19:02	3:13:47	9:14	10:04	10:04	+0:27
35K	21.75 mi	14:26:10	3:20:55	9:15	7:08	9:33	-0:31
23M	23.00 mi	14:38:24	3:33:09	9:17	12:14	9:47	+0:14
24M	24.00 mi	14:47:51	3:42:36	9:17	9:27	9:27	-0:20
40K	24.85 mi	14:56:09	3:50:54	9:18	8:18	9:43	+0:16
25.2M	25.20 mi	14:59:48	3:54:33	9:19	3:39	10:36	+0:53
FINISH	26.22 mi	15:09:30	4:04:15	9:20	9:42	9:32	-1:04

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:57 /mi

Average Pace

9:19 /mi

Slowest Pace

10:36 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:50:32

94% of race

Time at Steady Pace

10:04

4% of race

Time at Slower Pace

3:39

1% of race

Average Pace: 9:19 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:33:04	27:49	8:58	27:49	8:58	#22437
10K	6.21 mi	12:01:02	55:47	8:59	27:58	9:01	#22634
15K	9.32 mi	12:28:59	1:23:44	9:00	27:57	9:00	#22656
20K	12.43 mi	12:57:34	1:52:19	9:03	28:35	9:13	#22658
HALF	13.11 mi	13:03:40	1:58:25	9:02	6:06	8:57	#22645
25K	15.53 mi	13:26:19	2:21:04	9:05	22:39	9:21	#22637
30K	18.64 mi	13:55:55	2:50:40	9:10	29:36	9:32	#22448
20M	20.00 mi	14:08:58	3:03:43	9:12	13:03	9:37	#22352
21M	21.00 mi	14:19:02	3:13:47	9:14	10:04	10:04	#22249
35K	21.75 mi	14:26:10	3:20:55	9:15	7:08	9:33	#22239
23M	23.00 mi	14:38:24	3:33:09	9:17	12:14	9:47	#22174
24M	24.00 mi	14:47:51	3:42:36	9:17	9:27	9:27	#22135
40K	24.85 mi	14:56:09	3:50:54	9:18	8:18	9:43	#22113
25.2M	25.20 mi	14:59:48	3:54:33	9:19	3:39	10:36	#22098
FINISH	26.22 mi	15:09:30	4:04:15	9:20	9:42	9:32	#22116

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	3.11 mi	22437	8897	8897	22685(Top 78%)	8965(Top 71%)	8965(Top 943%)
10K	6.21 mi	3.10 mi	22634-197	8973-76	8973-76	22853(Top 79%)	9079(Top 72%)	9079(Top 955%)
15K	9.32 mi	3.11 mi	22656-22	8984-11	8984-11	22685(Top 78%)	8965(Top 71%)	8965(Top 943%)
20K	12.43 mi	3.11 mi	22658-2	8975+9	8975+9	22751(Top 78%)	9045(Top 72%)	9045(Top 951%)
HALF	13.11 mi	0.68 mi	22645+13	8971+4	8971+4	22559(Top 78%)	8936(Top 71%)	8936(Top 940%)
25K	15.53 mi	2.42 mi	22637+8	8979-8	8979-8	22526(Top 78%)	8945(Top 71%)	8945(Top 941%)
30K	18.64 mi	3.11 mi	22448+189	8920+59	8920+59	21741(Top 75%)	8643(Top 69%)	8643(Top 909%)
20M	20.00 mi	1.36 mi	22352+96	8877+43	8877+43	21456(Top 74%)	8579(Top 68%)	8579(Top 902%)
21M	21.00 mi	1.00 mi	22249+103	8837+40	8837+40	20673(Top 71%)	8202(Top 65%)	8202(Top 862%)
35K	21.75 mi	0.75 mi	22239+10	8848-11	8848-11	21887(Top 75%)	8899(Top 71%)	8899(Top 936%)
23M	23.00 mi	1.25 mi	22174+65	8831+17	8831+17	21498(Top 74%)	8736(Top 69%)	8736(Top 919%)
24M	24.00 mi	1.00 mi	22135+39	8830+1	8830+1	21183(Top 73%)	8633(Top 69%)	8633(Top 908%)
40K	24.85 mi	0.85 mi	22113+22	8832-2	8832-2	21093(Top 73%)	8625(Top 69%)	8625(Top 907%)
25.2M	25.20 mi	0.35 mi	22098+15	8828+4	8828+4	21357(Top 74%)	8757(Top 70%)	8757(Top 921%)
FINISH	26.22 mi	1.02 mi	22116-18	8847-19	8847-19	22423(Top 77%)	9295(Top 74%)	9295(Top 977%)

9295

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 7 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

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Contact Race Support

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Quick Links

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All Results

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Course Information

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Results processed 3 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Irina Fierro

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH