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BOSTON MARATHON 2025

Jessica Callahan

Bib: 32015•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:30
Rank: #26676
Start → 5K
32:30 | 10:28/mi
10K· 6.21 mi
1:04:47
Rank: #26354 (+322)
5K → 10K
32:17 | 10:23/mi
15K· 9.32 mi
1:36:27
Rank: #25992 (+362)
10K → 15K
31:40 | 10:12/mi
20K· 12.43 mi
2:07:50
Rank: #25587 (+405)
15K → 20K
31:23 | 10:06/mi
Half· 13.11 mi
2:14:38
Rank: #25539 (+48)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:40:08
Rank: #25346 (+193)
Half → 25K
25:30 | 10:31/mi
30K· 18.64 mi
3:12:24
Rank: #24912 (+434)
25K → 30K
32:16 | 10:23/mi
20M
3:26:13
Rank: #24708 (+204)
30K → 20M
13:49 | 10:10/mi
21M
3:37:02
Rank: #24531 (+177)
20M → 21M
10:49 | 10:49/mi
35K· 21.75 mi
3:44:47
Rank: #24492 (+39)
21M → 35K
7:45 | 10:22/mi
23M
3:57:54
Rank: #24353 (+139)
35K → 23M
13:07 | 10:29/mi
24M
4:08:06
Rank: #24250 (+103)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:16:46
Rank: #24161 (+89)
24M → 40K
8:40 | 10:08/mi
25.2M
4:20:30
Rank: #24107 (+54)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:29:45
Rank: #23991 (+116)
25.2M → Finish
9:15 | 9:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:14:38
Pace10:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:15:07
Pace10:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3032:3010:2832:30
10:28
-
10K
6.21 mi12:29:471:04:4710:2632:17
10:23
-0:05
15K
9.32 mi13:01:271:36:2710:2131:40
10:12
-0:11
20K
12.43 mi13:32:502:07:5010:1731:23
10:06
-0:06
Half
13.11 mi13:39:382:14:3810:166:48
9:58
-0:08
25K
15.53 mi14:05:082:40:0810:1925:30
10:31
+0:33
30K
18.64 mi14:37:243:12:2410:1932:16
10:23
-0:08
20M
20.00 mi14:51:133:26:1310:1913:49
10:10
-0:13
21M
21.00 mi15:02:023:37:0210:2010:49
10:49
+0:39
35K
21.75 mi15:09:473:44:4710:207:45
10:22
-0:27
23M
23.00 mi15:22:543:57:5410:2113:07
10:29
+0:07
24M
24.00 mi15:33:064:08:0610:2010:12
10:12
-0:17
40K
24.85 mi15:41:464:16:4610:208:40
10:08
-0:04
25.2M
25.20 mi15:45:304:20:3010:203:44
10:50
+0:42
Finish
26.22 mi15:54:454:29:4510:189:15
9:05
-1:45

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

9:05 /mi

Average Pace

10:18 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:03

6% of race

Time at Steady Pace

3:59:09

89% of race

Time at Slower Pace

14:33

5% of race

Average Pace: 10:17 /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 mi11:57:3032:3010:2832:30
10:28
#26676
10K
6.21 mi12:29:471:04:4710:2632:17
10:23
#26354
15K
9.32 mi13:01:271:36:2710:2131:40
10:12
#25992
20K
12.43 mi13:32:502:07:5010:1731:23
10:06
#25587
Half
13.11 mi13:39:382:14:3810:166:48
9:58
#25539
25K
15.53 mi14:05:082:40:0810:1925:30
10:31
#25346
30K
18.64 mi14:37:243:12:2410:1932:16
10:23
#24912
20M
20.00 mi14:51:133:26:1310:1913:49
10:10
#24708
21M
21.00 mi15:02:023:37:0210:2010:49
10:49
#24531
35K
21.75 mi15:09:473:44:4710:207:45
10:22
#24492
23M
23.00 mi15:22:543:57:5410:2113:07
10:29
#24353
24M
24.00 mi15:33:064:08:0610:2010:12
10:12
#24250
40K
24.85 mi15:41:464:16:4610:208:40
10:08
#24161
25.2M
25.20 mi15:45:304:20:3010:203:44
10:50
#24107
Finish
26.22 mi15:54:454:29:4510:189:15
9:05
#23991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26676111411114125403(Top 89%)10454(Top 85%)10454(Top 191%)
10K6.21 mi3.10 mi26354+32210966+17510966+17526085(Top 92%)10836(Top 89%)10836(Top 198%)
15K9.32 mi3.11 mi25992+36210774+19210774+19225403(Top 89%)10454(Top 85%)10454(Top 191%)
20K12.43 mi3.11 mi25587+40510554+22010554+22024448(Top 86%)9958(Top 81%)9958(Top 182%)
Half13.11 mi0.68 mi25539+4810530+2410530+2424778(Top 87%)10145(Top 83%)10145(Top 186%)
25K15.53 mi2.42 mi25346+19310440+9010440+9024411(Top 86%)9969(Top 82%)9969(Top 182%)
30K18.64 mi3.11 mi24912+43410230+21010230+21022681(Top 80%)9150(Top 75%)9150(Top 167%)
20M20.00 mi1.36 mi24708+20410130+10010130+10021496(Top 76%)8630(Top 71%)8630(Top 158%)
21M21.00 mi1.00 mi24531+17710048+8210048+8220913(Top 74%)8410(Top 69%)8410(Top 154%)
35K21.75 mi0.75 mi24492+3910040+810040+822868(Top 81%)9481(Top 78%)9481(Top 173%)
23M23.00 mi1.25 mi24353+1399975+659975+6521978(Top 77%)9062(Top 74%)9062(Top 166%)
24M24.00 mi1.00 mi24250+1039932+439932+4321965(Top 77%)9121(Top 75%)9121(Top 167%)
40K24.85 mi0.85 mi24161+899911+219911+2120926(Top 74%)8635(Top 71%)8635(Top 158%)
25.2M25.20 mi0.35 mi24107+549892+199892+1920181(Top 71%)8271(Top 68%)8271(Top 151%)
Finish26.22 mi1.02 mi23991+1169836+569836+5619451(Top 68%)7851(Top 64%)7851(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25403

Females

10454

F18-39

10454

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26085

Females

10836

F18-39

10836

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25403

Females

10454

F18-39

10454

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24448

Females

9958

F18-39

9958

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24778

Females

10145

F18-39

10145

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24411

Females

9969

F18-39

9969

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22681

Females

9150

F18-39

9150

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21496

Females

8630

F18-39

8630

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

20913

Females

8410

F18-39

8410

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22868

Females

9481

F18-39

9481

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21978

Females

9062

F18-39

9062

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21965

Females

9121

F18-39

9121

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20926

Females

8635

F18-39

8635

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20181

Females

8271

F18-39

8271

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19451

Females

7851

F18-39

7851

Passing Analysis

Category:
Athletes Passed
2823
Passed By
138
Net Change
+2685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26676
5K → 10K38260+322#26676#26354
10K → 15K3719+362#26354#25992
15K → 20K4061+405#25992#25587
20K → Half546+48#25587#25539
Half → 25K21017+193#25539#25346
25K → 30K4362+434#25346#24912
30K → 20M2051+204#24912#24708
20M → 21M1814+177#24708#24531
21M → 35K4910+39#24531#24492
35K → 23M15213+139#24492#24353
23M → 24M1074+103#24353#24250
24M → 40K956+89#24250#24161
40K → 25.2M562+54#24161#24107
25.2M → Finish1193+116#24107#23991
TOTALS2823138+2685
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing