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BOSTON MARATHON 2025

Jenna Sullivan

Bib: 27614•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
32:57
Rank: #26973
Start → 5K
10:36/mi
32:57 split
10K· 6.21 mi
1:05:26
Rank: #26553 (+420)
5K → 10K
10:27/mi
32:29 split
15K· 9.32 mi
1:37:40
Rank: #26243 (+310)
10K → 15K
10:22/mi
32:14 split
20K· 12.43 mi
2:13:16
Rank: #26364 (-121)
15K → 20K
11:28/mi
35:36 split
Half· 13.11 mi
2:20:03
Rank: #26290 (+74)
20K → Half
9:57/mi
6:47 split
25K· 15.53 mi
2:45:41
Rank: #25987 (+303)
Half → 25K
10:34/mi
25:38 split
30K· 18.64 mi
3:19:10
Rank: #25563 (+424)
25K → 30K
10:47/mi
33:29 split
20M
3:31:05
Rank: #25160 (+403)
30K → 20M
8:46/mi
11:55 split
21M
3:41:05
Rank: #24920 (+240)
20M → 21M
10:00/mi
10:00 split
35K· 21.75 mi
3:47:29
Rank: #24736 (+184)
21M → 35K
8:33/mi
6:24 split
23M
3:58:39
Rank: #24432 (+304)
35K → 23M
8:55/mi
11:10 split
24M
4:08:20
Rank: #24275 (+157)
23M → 24M
9:41/mi
9:41 split
40K· 24.85 mi
4:16:25
Rank: #24126 (+149)
24M → 40K
9:27/mi
8:05 split
25.2M
4:19:39
Rank: #24031 (+95)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
4:27:50
Rank: #23796 (+235)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:20:03
Pace10:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
📊Negative Split: 8.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3532:5710:3632:57
10:36
-
10K
6.21 mi12:28:041:05:2610:3232:29
10:27
-0:09
15K
9.32 mi13:00:181:37:4010:2932:14
10:22
-0:05
20K
12.43 mi13:35:542:13:1610:4335:36
11:28
+1:06
Half
13.11 mi13:42:412:20:0310:416:47
9:57
-1:31
25K
15.53 mi14:08:192:45:4110:4025:38
10:34
+0:37
30K
18.64 mi14:41:483:19:1010:4133:29
10:47
+0:13
20M
20.00 mi14:53:433:31:0510:3311:55
8:46
-2:01
21M
21.00 mi15:03:433:41:0510:3210:00
10:00
+1:14
35K
21.75 mi15:10:073:47:2910:286:24
8:33
-1:27
23M
23.00 mi15:21:173:58:3910:2311:10
8:55
+0:22
24M
24.00 mi15:30:584:08:2010:219:41
9:41
+0:46
40K
24.85 mi15:39:034:16:2510:198:05
9:27
-0:14
25.2M
25.20 mi15:42:174:19:3910:183:14
9:23
-0:04
Finish
26.22 mi15:50:284:27:5010:138:11
8:02
-1:21

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

8:02 /mi

Average Pace

10:13 /mi

Slowest Pace

11:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:59

18% of race

Time at Steady Pace

58:42

22% of race

Time at Slower Pace

2:40:09

60% of race

Average Pace: 10:13 /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 mi11:55:3532:5710:3632:57
10:36
#26973
10K
6.21 mi12:28:041:05:2610:3232:29
10:27
#26553
15K
9.32 mi13:00:181:37:4010:2932:14
10:22
#26243
20K
12.43 mi13:35:542:13:1610:4335:36
11:28
#26364
Half
13.11 mi13:42:412:20:0310:416:47
9:57
#26290
25K
15.53 mi14:08:192:45:4110:4025:38
10:34
#25987
30K
18.64 mi14:41:483:19:1010:4133:29
10:47
#25563
20M
20.00 mi14:53:433:31:0510:3311:55
8:46
#25160
21M
21.00 mi15:03:433:41:0510:3210:00
10:00
#24920
35K
21.75 mi15:10:073:47:2910:286:24
8:33
#24736
23M
23.00 mi15:21:173:58:3910:2311:10
8:55
#24432
24M
24.00 mi15:30:584:08:2010:219:41
9:41
#24275
40K
24.85 mi15:39:034:16:2510:198:05
9:27
#24126
25.2M
25.20 mi15:42:174:19:3910:183:14
9:23
#24031
Finish
26.22 mi15:50:284:27:5010:138:11
8:02
#23796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26973113091130925724(Top 91%)10631(Top 87%)10631(Top 194%)
10K6.21 mi3.10 mi26553+42011079+23011079+23026191(Top 92%)10899(Top 89%)10899(Top 199%)
15K9.32 mi3.11 mi26243+31010915+16410915+16425724(Top 91%)10631(Top 87%)10631(Top 194%)
20K12.43 mi3.11 mi26364-12110986-7110986-7126578(Top 94%)11144(Top 91%)11144(Top 204%)
Half13.11 mi0.68 mi26290+7410938+4810938+4824723(Top 87%)10120(Top 83%)10120(Top 185%)
25K15.53 mi2.42 mi25987+30310789+14910789+14924504(Top 86%)10016(Top 82%)10016(Top 183%)
30K18.64 mi3.11 mi25563+42410600+18910600+18923563(Top 83%)9636(Top 79%)9636(Top 176%)
20M20.00 mi1.36 mi25160+40310385+21510385+21515516(Top 55%)5324(Top 44%)5324(Top 97%)
21M21.00 mi1.00 mi24920+24010261+12410261+12418327(Top 65%)6974(Top 57%)6974(Top 128%)
35K21.75 mi0.75 mi24736+18410166+9510166+9515872(Top 56%)5729(Top 47%)5729(Top 105%)
23M23.00 mi1.25 mi24432+30410022+14410022+14415839(Top 56%)5810(Top 48%)5810(Top 106%)
24M24.00 mi1.00 mi24275+1579944+789944+7820345(Top 72%)8271(Top 68%)8271(Top 151%)
40K24.85 mi0.85 mi24126+1499897+479897+4718568(Top 65%)7424(Top 61%)7424(Top 136%)
25.2M25.20 mi0.35 mi24031+959846+519846+5114029(Top 49%)5072(Top 41%)5072(Top 93%)
Finish26.22 mi1.02 mi23796+2359733+1139733+11313152(Top 46%)4540(Top 37%)4540(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25724

Females

10631

F18-39

10631

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26191

Females

10899

F18-39

10899

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25724

Females

10631

F18-39

10631

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26578

Females

11144

F18-39

11144

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24723

Females

10120

F18-39

10120

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24504

Females

10016

F18-39

10016

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23563

Females

9636

F18-39

9636

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15516

Females

5324

F18-39

5324

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18327

Females

6974

F18-39

6974

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15872

Females

5729

F18-39

5729

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15839

Females

5810

F18-39

5810

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20345

Females

8271

F18-39

8271

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18568

Females

7424

F18-39

7424

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14029

Females

5072

F18-39

5072

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13152

Females

4540

F18-39

4540

Passing Analysis

Category:
Athletes Passed
3439
Passed By
262
Net Change
+3177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26973
5K → 10K45434+420#26973#26553
10K → 15K32313+310#26553#26243
15K → 20K85206-121#26243#26364
20K → Half762+74#26364#26290
Half → 25K3041+303#26290#25987
25K → 30K4273+424#25987#25563
30K → 20M4030+403#25563#25160
20M → 21M2400+240#25160#24920
21M → 35K1840+184#24920#24736
35K → 23M3040+304#24736#24432
23M → 24M1581+157#24432#24275
24M → 40K1512+149#24275#24126
40K → 25.2M950+95#24126#24031
25.2M → Finish2350+235#24031#23796
TOTALS3439262+3177
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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