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BOSTON MARATHON 2025

Julia Sisk

Bib: 25859•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
33:32
Rank: #27270
Start → 5K
33:32 | 10:48/mi
10K· 6.21 mi
1:13:21
Rank: #28031 (-761)
5K → 10K
39:49 | 12:49/mi
15K· 9.32 mi
1:53:56
Rank: #28113 (-82)
10K → 15K
40:35 | 13:04/mi
20K· 12.43 mi
2:36:31
Rank: #28149 (-36)
15K → 20K
42:35 | 13:42/mi
Half· 13.11 mi
2:44:40
Rank: #28123 (+26)
20K → Half
8:09 | 11:57/mi
25K· 15.53 mi
3:18:41
Rank: #28122 (+1)
Half → 25K
34:01 | 14:02/mi
30K· 18.64 mi
4:01:47
Rank: #28048 (+74)
25K → 30K
43:06 | 13:52/mi
20M
4:20:13
Rank: #28003 (+45)
30K → 20M
18:26 | 13:34/mi
21M
4:34:36
Rank: #27967 (+36)
20M → 21M
14:23 | 14:23/mi
35K· 21.75 mi
4:44:05
Rank: #27937 (+30)
21M → 35K
9:29 | 12:41/mi
23M
5:00:09
Rank: #27865 (+72)
35K → 23M
16:04 | 12:50/mi
24M
5:13:14
Rank: #27843 (+22)
23M → 24M
13:05 | 13:05/mi
40K· 24.85 mi
5:25:04
Rank: #27822 (+21)
24M → 40K
11:50 | 13:50/mi
25.2M
5:29:45
Rank: #27802 (+20)
40K → 25.2M
4:41 | 13:35/mi
Finish· 26.22 mi
5:41:50
Rank: #27780 (+22)
25.2M → Finish
12:05 | 11:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:44:40
Pace12:34 /mi
2nd Half
Distance13.11 mi
Time2:57:10
Pace13:31 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2633:3210:4833:32
10:48
-
10K
6.21 mi12:33:151:13:2111:4839:49
12:49
+2:01
15K
9.32 mi13:13:501:53:5612:1340:35
13:04
+0:15
20K
12.43 mi13:56:252:36:3112:3642:35
13:42
+0:38
Half
13.11 mi14:04:342:44:4012:348:09
11:57
-1:45
25K
15.53 mi14:38:353:18:4112:4734:01
14:02
+2:05
30K
18.64 mi15:21:414:01:4712:5843:06
13:52
-0:10
20M
20.00 mi15:40:074:20:1313:0118:26
13:34
-0:18
21M
21.00 mi15:54:304:34:3613:0514:23
14:23
+0:49
35K
21.75 mi16:03:594:44:0513:049:29
12:41
-1:42
23M
23.00 mi16:20:035:00:0913:0316:04
12:50
+0:09
24M
24.00 mi16:33:085:13:1413:0313:05
13:05
+0:15
40K
24.85 mi16:44:585:25:0413:0511:50
13:50
+0:45
25.2M
25.20 mi16:49:395:29:4513:054:41
13:35
-0:15
Finish
26.22 mi17:01:445:41:5013:0312:05
11:51
-1:44

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

10:48 /mi

Average Pace

13:03 /mi

Slowest Pace

14:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:46

16% of race

Time at Steady Pace

1:59:02

35% of race

Time at Slower Pace

2:49:02

49% of race

Average Pace: 13:02 /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 mi11:53:2633:3210:4833:32
10:48
#27270
10K
6.21 mi12:33:151:13:2111:4839:49
12:49
#28031
15K
9.32 mi13:13:501:53:5612:1340:35
13:04
#28113
20K
12.43 mi13:56:252:36:3112:3642:35
13:42
#28149
Half
13.11 mi14:04:342:44:4012:348:09
11:57
#28123
25K
15.53 mi14:38:353:18:4112:4734:01
14:02
#28122
30K
18.64 mi15:21:414:01:4712:5843:06
13:52
#28048
20M
20.00 mi15:40:074:20:1313:0118:26
13:34
#28003
21M
21.00 mi15:54:304:34:3613:0514:23
14:23
#27967
35K
21.75 mi16:03:594:44:0513:049:29
12:41
#27937
23M
23.00 mi16:20:035:00:0913:0316:04
12:50
#27865
24M
24.00 mi16:33:085:13:1413:0313:05
13:05
#27843
40K
24.85 mi16:44:585:25:0413:0511:50
13:50
#27822
25.2M
25.20 mi16:49:395:29:4513:054:41
13:35
#27802
Finish
26.22 mi17:01:445:41:5013:0312:05
11:51
#27780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27270114901149028187(Top 99%)12103(Top 99%)12103(Top 221%)
10K6.21 mi3.10 mi28031-76111984-49411984-49428289(Top 100%)12164(Top 99%)12164(Top 222%)
15K9.32 mi3.11 mi28113-8212040-5612040-5628187(Top 99%)12103(Top 99%)12103(Top 221%)
20K12.43 mi3.11 mi28149-3612068-2812068-2828146(Top 99%)12087(Top 99%)12087(Top 221%)
Half13.11 mi0.68 mi28123+2612052+1612052+1627421(Top 97%)11663(Top 95%)11663(Top 213%)
25K15.53 mi2.42 mi28122+112058-612058-627894(Top 98%)11947(Top 98%)11947(Top 218%)
30K18.64 mi3.11 mi28048+7412015+4312015+4327408(Top 96%)11723(Top 96%)11723(Top 214%)
20M20.00 mi1.36 mi28003+4511996+1911996+1926960(Top 95%)11537(Top 94%)11537(Top 211%)
21M21.00 mi1.00 mi27967+3611978+1811978+1826592(Top 94%)11365(Top 93%)11365(Top 208%)
35K21.75 mi0.75 mi27937+3011963+1511963+1526652(Top 94%)11420(Top 93%)11420(Top 209%)
23M23.00 mi1.25 mi27865+7211933+3011933+3026190(Top 92%)11194(Top 92%)11194(Top 205%)
24M24.00 mi1.00 mi27843+2211920+1311920+1326944(Top 95%)11607(Top 95%)11607(Top 212%)
40K24.85 mi0.85 mi27822+2111916+411916+427044(Top 95%)11666(Top 95%)11666(Top 213%)
25.2M25.20 mi0.35 mi27802+2011908+811908+825764(Top 91%)11081(Top 91%)11081(Top 203%)
Finish26.22 mi1.02 mi27780+2211900+811900+826625(Top 94%)11445(Top 94%)11445(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28187

Females

12103

F18-39

12103

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28289

Females

12164

F18-39

12164

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28187

Females

12103

F18-39

12103

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28146

Females

12087

F18-39

12087

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27421

Females

11663

F18-39

11663

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27894

Females

11947

F18-39

11947

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27408

Females

11723

F18-39

11723

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

26960

Females

11537

F18-39

11537

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26592

Females

11365

F18-39

11365

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26652

Females

11420

F18-39

11420

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26190

Females

11194

F18-39

11194

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26944

Females

11607

F18-39

11607

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27044

Females

11666

F18-39

11666

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25764

Females

11081

F18-39

11081

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26625

Females

11445

F18-39

11445

Passing Analysis

Category:
Athletes Passed
475
Passed By
985
Net Change
-510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27270
5K → 10K3764-761#27270#28031
10K → 15K20102-82#28031#28113
15K → 20K3066-36#28113#28149
20K → Half271+26#28149#28123
Half → 25K2524+1#28123#28122
25K → 30K806+74#28122#28048
30K → 20M505+45#28048#28003
20M → 21M404+36#28003#27967
21M → 35K300+30#27967#27937
35K → 23M720+72#27937#27865
23M → 24M242+22#27865#27843
24M → 40K276+21#27843#27822
40K → 25.2M211+20#27822#27802
25.2M → Finish264+22#27802#27780
TOTALS475985-510
📊

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