Boston Marathon logo
BOSTON MARATHON 2023

Jessica Iribe

Bib: 14742•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12891
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:41
Rank: #13035 (-144)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:13:27
Rank: #13415 (-380)
10K → 15K
24:46 | 7:58/mi
20K· 12.43 mi
1:39:33
Rank: #14184 (-769)
15K → 20K
26:06 | 8:24/mi
Half· 13.11 mi
1:45:15
Rank: #14323 (-139)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:06:56
Rank: #15143 (-820)
Half → 25K
21:41 | 8:57/mi
30K· 18.64 mi
2:35:24
Rank: #15735 (-592)
25K → 30K
28:28 | 9:10/mi
20M
2:47:45
Rank: #15802 (-67)
30K → 20M
12:21 | 9:05/mi
21M
2:57:28
Rank: #15871 (-69)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:03:54
Rank: #15831 (+40)
21M → 35K
6:26 | 8:36/mi
23M
3:15:07
Rank: #15835 (-4)
35K → 23M
11:13 | 8:58/mi
24M
3:23:14
Rank: #15660 (+175)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:30:13
Rank: #15500 (+160)
24M → 40K
6:59 | 8:10/mi
25.2M
3:33:16
Rank: #15435 (+65)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:40:54
Rank: #15159 (+276)
25.2M → Finish
7:38 | 7:29/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:55:39
Pace8:49 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4924:247:5124:24
7:51
-
10K
6.21 mi11:18:0648:417:5024:17
7:49
-0:02
15K
9.32 mi11:42:521:13:277:5324:46
7:58
+0:09
20K
12.43 mi12:08:581:39:338:0126:06
8:24
+0:26
Half
13.11 mi12:14:401:45:158:025:42
8:21
-0:03
25K
15.53 mi12:36:212:06:568:1021:41
8:57
+0:36
30K
18.64 mi13:04:492:35:248:2028:28
9:10
+0:13
20M
20.00 mi13:17:102:47:458:2312:21
9:05
-0:05
21M
21.00 mi13:26:532:57:288:279:43
9:43
+0:38
35K
21.75 mi13:33:193:03:548:276:26
8:36
-1:07
23M
23.00 mi13:44:323:15:078:2911:13
8:58
+0:22
24M
24.00 mi13:52:393:23:148:288:07
8:07
-0:51
40K
24.85 mi13:59:383:30:138:276:59
8:10
+0:03
25.2M
25.20 mi14:02:413:33:168:283:03
8:51
+0:41
Finish
26.22 mi14:10:193:40:548:267:38
7:29
-1:22

Checkpoints & Pacing

📈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

7:29 /mi

Average Pace

8:26 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:05

37% of race

Time at Steady Pace

53:20

24% of race

Time at Slower Pace

1:26:29

39% of race

Average Pace: 8:25 /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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:4924:247:5124:24
7:51
#12891
10K
6.21 mi11:18:0648:417:5024:17
7:49
#13035
15K
9.32 mi11:42:521:13:277:5324:46
7:58
#13415
20K
12.43 mi12:08:581:39:338:0126:06
8:24
#14184
Half
13.11 mi12:14:401:45:158:025:42
8:21
#14323
25K
15.53 mi12:36:212:06:568:1021:41
8:57
#15143
30K
18.64 mi13:04:492:35:248:2028:28
9:10
#15735
20M
20.00 mi13:17:102:47:458:2312:21
9:05
#15802
21M
21.00 mi13:26:532:57:288:279:43
9:43
#15871
35K
21.75 mi13:33:193:03:548:276:26
8:36
#15831
23M
23.00 mi13:44:323:15:078:2911:13
8:58
#15835
24M
24.00 mi13:52:393:23:148:288:07
8:07
#15660
40K
24.85 mi13:59:383:30:138:276:59
8:10
#15500
25.2M
25.20 mi14:02:413:33:168:283:03
8:51
#15435
Finish
26.22 mi14:10:193:40:548:267:38
7:29
#15159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128913382338214170(Top 53%)4187(Top 37%)4187(Top 86%)
10K6.21 mi3.10 mi13035-1443467-853467-8513289(Top 50%)3607(Top 32%)3607(Top 74%)
15K9.32 mi3.11 mi13415-3803699-2323699-23214170(Top 53%)4187(Top 37%)4187(Top 86%)
20K12.43 mi3.11 mi14184-7694195-4964195-49616251(Top 61%)5496(Top 48%)5496(Top 113%)
Half13.11 mi0.68 mi14323-1394273-784273-7816848(Top 63%)5794(Top 51%)5794(Top 119%)
25K15.53 mi2.42 mi15143-8204797-5244797-52418679(Top 70%)6948(Top 61%)6948(Top 142%)
30K18.64 mi3.11 mi15735-5925215-4185215-41817990(Top 68%)6641(Top 58%)6641(Top 136%)
20M20.00 mi1.36 mi15802-675273-585273-5816994(Top 64%)6154(Top 54%)6154(Top 126%)
21M21.00 mi1.00 mi15871-695336-635336-6316917(Top 64%)6133(Top 54%)6133(Top 126%)
35K21.75 mi0.75 mi15831+405329+75329+715871(Top 60%)5606(Top 49%)5606(Top 115%)
23M23.00 mi1.25 mi15835-45358-295358-2915853(Top 60%)5653(Top 49%)5653(Top 116%)
24M24.00 mi1.00 mi15660+1755277+815277+8112096(Top 45%)3653(Top 32%)3653(Top 75%)
40K24.85 mi0.85 mi15500+1605191+865191+8611200(Top 42%)3270(Top 29%)3270(Top 67%)
25.2M25.20 mi0.35 mi15435+655155+365155+3611720(Top 44%)3616(Top 32%)3616(Top 74%)
Finish26.22 mi1.02 mi15159+2765005+1505005+1508536(Top 32%)2057(Top 18%)2057(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14170

Females

4187

F18-39

4187

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13289

Females

3607

F18-39

3607

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14170

Females

4187

F18-39

4187

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16251

Females

5496

F18-39

5496

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16848

Females

5794

F18-39

5794

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18679

Females

6948

F18-39

6948

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17990

Females

6641

F18-39

6641

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16994

Females

6154

F18-39

6154

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16917

Females

6133

F18-39

6133

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15871

Females

5606

F18-39

5606

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15853

Females

5653

F18-39

5653

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12096

Females

3653

F18-39

3653

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11200

Females

3270

F18-39

3270

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11720

Females

3616

F18-39

3616

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8536

Females

2057

F18-39

2057

Passing Analysis

Category:
Athletes Passed
1445
Passed By
3713
Net Change
-2268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12891
5K → 10K248392-144#12891#13035
10K → 15K100480-380#13035#13415
15K → 20K40809-769#13415#14184
20K → Half6145-139#14184#14323
Half → 25K25845-820#14323#15143
25K → 30K44636-592#15143#15735
30K → 20M66133-67#15735#15802
20M → 21M67136-69#15802#15871
21M → 35K7232+40#15871#15831
35K → 23M8185-4#15831#15835
23M → 24M1838+175#15835#15660
24M → 40K1622+160#15660#15500
40K → 25.2M749+65#15500#15435
25.2M → Finish2771+276#15435#15159
TOTALS14453713-2268
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing