Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Juliette Spertus

Bib: 23041 β€’F β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 41%
Age Group (F50-54)
#0 / 1233
Top 37%
Race Day Weather
51Β°/41Β°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
5K
25:08
3.11 mi
Rank: #17557
Start β†’ 5K
25:08 | 8:06/mi
10K
50:21
6.21 mi
Rank: #17797 (-240)
5K β†’ 10K
25:13 | 8:07/mi
15K
1:15:40
9.32 mi
Rank: #17879 (-82)
10K β†’ 15K
25:19 | 8:09/mi
20K
1:41:14
12.43 mi
Rank: #17821 (+58)
15K β†’ 20K
25:34 | 8:14/mi
HALF
1:46:50
13.11 mi
Rank: #17853 (-32)
20K β†’ HALF
5:36 | 8:13/mi
25K
2:07:26
15.53 mi
Rank: #17972 (-119)
HALF β†’ 25K
20:36 | 8:30/mi
30K
2:34:41
18.64 mi
Rank: #18012 (-40)
25K β†’ 30K
27:15 | 8:47/mi
20M
2:46:41
20.00 mi
Rank: #17996 (+16)
30K β†’ 20M
12:00 | 8:51/mi
21M
2:56:18
21.00 mi
Rank: #18048 (-52)
20M β†’ 21M
9:37 | 9:37/mi
35K
3:02:36
21.75 mi
Rank: #18007 (+41)
21M β†’ 35K
6:18 | 8:26/mi
23M
3:13:36
23.00 mi
Rank: #17938 (+69)
35K β†’ 23M
11:00 | 8:48/mi
24M
3:22:14
24.00 mi
Rank: #17919 (+19)
23M β†’ 24M
8:38 | 8:38/mi
40K
3:29:56
24.85 mi
Rank: #17930 (-11)
24M β†’ 40K
7:42 | 9:01/mi
25.2M
3:33:08
25.20 mi
Rank: #17893 (+37)
40K β†’ 25.2M
3:12 | 9:17/mi
FINISH
3:41:31
26.22 mi
Rank: #17826 (+67)
25.2M β†’ FINISH
8:23 | 8:14/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:54:41
Pace8:45 /mi
πŸ“ŠPositive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5425:088:0625:08
8:06
-
10K
6.21 mi11:53:0750:218:0725:13
8:07
+0:01
15K
9.32 mi12:18:261:15:408:0825:19
8:09
+0:02
20K
12.43 mi12:44:001:41:148:0925:34
8:14
+0:05
HALF
13.11 mi12:49:361:46:508:095:36
8:13
-0:01
25K
15.53 mi13:10:122:07:268:1320:36
8:30
+0:17
30K
18.64 mi13:37:272:34:418:1827:15
8:47
+0:17
20M
20.00 mi13:49:272:46:418:2112:00
8:51
+0:04
21M
21.00 mi13:59:042:56:188:249:37
9:37
+0:46
35K
21.75 mi14:05:223:02:368:246:18
8:26
-1:11
23M
23.00 mi14:16:223:13:368:2611:00
8:48
+0:22
24M
24.00 mi14:25:003:22:148:268:38
8:38
-0:10
40K
24.85 mi14:32:423:29:568:277:42
9:01
+0:23
25.2M
25.20 mi14:35:543:33:088:283:12
9:17
+0:16
FINISH
26.22 mi14:44:173:41:318:288:23
8:14
-1:03

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

8:06 /mi

Average Pace

8:27 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:21:00

91% of race

Time at Steady Pace

10:54

5% of race

Time at Slower Pace

9:37

4% of race

Average Pace: 8:27 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:5425:088:0625:08
8:06
#17557
10K
6.21 mi11:53:0750:218:0725:13
8:07
#17797
15K
9.32 mi12:18:261:15:408:0825:19
8:09
#17879
20K
12.43 mi12:44:001:41:148:0925:34
8:14
#17821
HALF
13.11 mi12:49:361:46:508:095:36
8:13
#17853
25K
15.53 mi13:10:122:07:268:1320:36
8:30
#17972
30K
18.64 mi13:37:272:34:418:1827:15
8:47
#18012
20M
20.00 mi13:49:272:46:418:2112:00
8:51
#17996
21M
21.00 mi13:59:042:56:188:249:37
9:37
#18048
35K
21.75 mi14:05:223:02:368:246:18
8:26
#18007
23M
23.00 mi14:16:223:13:368:2611:00
8:48
#17938
24M
24.00 mi14:25:003:22:148:268:38
8:38
#17919
40K
24.85 mi14:32:423:29:568:277:42
9:01
#17930
25.2M
25.20 mi14:35:543:33:088:283:12
9:17
#17893
FINISH
26.22 mi14:44:173:41:318:288:23
8:14
#17826
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi175576250625018006(Top 62%)6476(Top 51%)6476(Top 525%)
10K6.21 mi3.10 mi17797-2406373-1236373-12318086(Top 62%)6532(Top 52%)6532(Top 530%)
15K9.32 mi3.11 mi17879-826422-496422-4918006(Top 62%)6476(Top 51%)6476(Top 525%)
20K12.43 mi3.11 mi17821+586393+296393+2917679(Top 61%)6327(Top 50%)6327(Top 513%)
HALF13.11 mi0.68 mi17853-326409-166409-1618527(Top 64%)6776(Top 54%)6776(Top 550%)
25K15.53 mi2.42 mi17972-1196481-726481-7218554(Top 64%)6873(Top 55%)6873(Top 557%)
30K18.64 mi3.11 mi18012-406545-646545-6418417(Top 63%)6895(Top 55%)6895(Top 559%)
20M20.00 mi1.36 mi17996+166557-126557-1218151(Top 63%)6837(Top 54%)6837(Top 555%)
21M21.00 mi1.00 mi18048-526611-546611-5419056(Top 66%)7349(Top 58%)7349(Top 596%)
35K21.75 mi0.75 mi18007+416596+156596+1517186(Top 59%)6447(Top 51%)6447(Top 523%)
23M23.00 mi1.25 mi17938+696584+126584+1217407(Top 60%)6642(Top 53%)6642(Top 539%)
24M24.00 mi1.00 mi17919+196596-126596-1217680(Top 61%)6830(Top 54%)6830(Top 554%)
40K24.85 mi0.85 mi17930-116617-216617-2118452(Top 64%)7285(Top 58%)7285(Top 591%)
25.2M25.20 mi0.35 mi17893+376603+146603+1416306(Top 56%)6142(Top 49%)6142(Top 498%)
FINISH26.22 mi1.02 mi17826+676583+206583+2016604(Top 57%)6286(Top 50%)6286(Top 510%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
Γ—21
+97ft-345ft

Overall

18006

Females

6476

F50-54

6476

5K→10K

3.1 - 6.2 mi

Top 62%
Γ—5
+79ft-138ft

Overall

18086

Females

6532

F50-54

6532

10K→15K

6.2 - 9.3 mi

Top 62%
Γ—3
+67ft-78ft

Overall

18006

Females

6476

F50-54

6476

15K→20K

9.3 - 12.4 mi

Top 61%
Γ—5
+106ft-86ft

Overall

17679

Females

6327

F50-54

6327

20K→HALF

12.4 - 13.1 mi

Top 64%
Γ—2
+19ft-37ft

Overall

18527

Females

6776

F50-54

6776

HALF→25K

13.1 - 15.5 mi

Top 64%
Γ—4
+66ft-88ft

Overall

18554

Females

6873

F50-54

6873

25K→30K

15.5 - 18.6 mi

Top 63%
Γ—9
+181ft-148ft

Overall

18417

Females

6895

F50-54

6895

30K→20M

18.6 - 20.0 mi

Top 63%
Γ—5
+64ft-50ft

Overall

18151

Females

6837

F50-54

6837

20M→21M

20.0 - 21.0 mi

Top 66%
Γ—8
+106ft-24ft

Overall

19056

Females

7349

F50-54

7349

21M→35K

21.0 - 21.8 mi

Top 59%
Γ—7
+17ft-86ft

Overall

17186

Females

6447

F50-54

6447

35K→23M

21.8 - 23.0 mi

Top 60%
Γ—5
+23ft-63ft

Overall

17407

Females

6642

F50-54

6642

23M→24M

23.0 - 24.0 mi

Top 61%
Γ—6
+12ft-82ft

Overall

17680

Females

6830

F50-54

6830

24M→40K

24.0 - 24.9 mi

Top 64%
Γ—1
+6ft-20ft

Overall

18452

Females

7285

F50-54

7285

40K→25.2M

24.9 - 25.2 mi

Top 56%
Γ—1
+13ft-16ft

Overall

16306

Females

6142

F50-54

6142

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
Γ—2
+22ft-21ft

Overall

16604

Females

6286

F50-54

6286

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1448
Passed By
1456
Net Change
-269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#17557
5K β†’ 10K164200-240#17557#17797
10K β†’ 15K146200-82#17797#17879
15K β†’ 20K193135+58#17879#17821
20K β†’ HALF2254-32#17821#17853
HALF β†’ 25K94200-119#17853#17972
25K β†’ 30K176200-40#17972#18012
30K β†’ 20M10690+16#18012#17996
20M β†’ 21M57109-52#17996#18048
21M β†’ 35K6322+41#18048#18007
35K β†’ 23M13667+69#18007#17938
23M β†’ 24M8061+19#17938#17919
24M β†’ 40K6677-11#17919#17930
40K β†’ 25.2M4710+37#17930#17893
25.2M β†’ FINISH9831+67#17893#17826
TOTALS14481456-269
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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