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BOSTON MARATHON 2025

Jen Cross

Bib: 26199•F

NH

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
30:03
Rank: #24767
Start → 5K
9:40/mi
30:03 split
10K· 6.21 mi
57:58
Rank: #23650 (+1117)
5K → 10K
8:59/mi
27:55 split
15K· 9.32 mi
1:25:38
Rank: #23042 (+608)
10K → 15K
8:54/mi
27:40 split
20K· 12.43 mi
1:53:50
Rank: #22628 (+414)
15K → 20K
9:05/mi
28:12 split
Half· 13.11 mi
1:59:56
Rank: #22567 (+61)
20K → Half
8:56/mi
6:06 split
25K· 15.53 mi
2:22:07
Rank: #22239 (+328)
Half → 25K
9:09/mi
22:11 split
30K· 18.64 mi
2:52:17
Rank: #21945 (+294)
25K → 30K
9:43/mi
30:10 split
20M
3:05:22
Rank: #21749 (+196)
30K → 20M
9:38/mi
13:05 split
21M
3:15:43
Rank: #21614 (+135)
20M → 21M
10:21/mi
10:21 split
35K· 21.75 mi
3:22:42
Rank: #21544 (+70)
21M → 35K
9:20/mi
6:59 split
23M
3:34:31
Rank: #21338 (+206)
35K → 23M
9:26/mi
11:49 split
24M
3:44:04
Rank: #21269 (+69)
23M → 24M
9:33/mi
9:33 split
40K· 24.85 mi
3:52:19
Rank: #21188 (+81)
24M → 40K
9:39/mi
8:15 split
25.2M
3:55:56
Rank: #21136 (+52)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
4:04:37
Rank: #20989 (+147)
25.2M → Finish
8:31/mi
8:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:04:41
Pace9:31 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4830:039:4030:03
9:40
-
10K
6.21 mi12:13:4357:589:2027:55
8:59
-0:41
15K
9.32 mi12:41:231:25:389:1127:40
8:54
-0:05
20K
12.43 mi13:09:351:53:509:1028:12
9:05
+0:11
Half
13.11 mi13:15:411:59:569:096:06
8:56
-0:09
25K
15.53 mi13:37:522:22:079:0922:11
9:09
+0:13
30K
18.64 mi14:08:022:52:179:1530:10
9:43
+0:34
20M
20.00 mi14:21:073:05:229:1613:05
9:38
-0:05
21M
21.00 mi14:31:283:15:439:1910:21
10:21
+0:43
35K
21.75 mi14:38:273:22:429:196:59
9:20
-1:01
23M
23.00 mi14:50:163:34:319:2011:49
9:26
+0:06
24M
24.00 mi14:59:493:44:049:209:33
9:33
+0:07
40K
24.85 mi15:08:043:52:199:218:15
9:39
+0:06
25.2M
25.20 mi15:11:413:55:569:223:37
10:29
+0:50
Finish
26.22 mi15:20:224:04:379:208:41
8:31
-1:58

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

8:31 /mi

Average Pace

9:20 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:45

49% of race

Time at Steady Pace

1:19:44

33% of race

Time at Slower Pace

44:08

18% of race

Average Pace: 9:20 /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 mi11:45:4830:039:4030:03
9:40
#24767
10K
6.21 mi12:13:4357:589:2027:55
8:59
#23650
15K
9.32 mi12:41:231:25:389:1127:40
8:54
#23042
20K
12.43 mi13:09:351:53:509:1028:12
9:05
#22628
Half
13.11 mi13:15:411:59:569:096:06
8:56
#22567
25K
15.53 mi13:37:522:22:079:0922:11
9:09
#22239
30K
18.64 mi14:08:022:52:179:1530:10
9:43
#21945
20M
20.00 mi14:21:073:05:229:1613:05
9:38
#21749
21M
21.00 mi14:31:283:15:439:1910:21
10:21
#21614
35K
21.75 mi14:38:273:22:429:196:59
9:20
#21544
23M
23.00 mi14:50:163:34:319:2011:49
9:26
#21338
24M
24.00 mi14:59:493:44:049:209:33
9:33
#21269
40K
24.85 mi15:08:043:52:199:218:15
9:39
#21188
25.2M
25.20 mi15:11:413:55:569:223:37
10:29
#21136
Finish
26.22 mi15:20:224:04:379:208:41
8:31
#20989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24767100921009221606(Top 76%)8335(Top 68%)8335(Top 152%)
10K6.21 mi3.10 mi23650+11179509+5839509+58322335(Top 79%)8782(Top 72%)8782(Top 161%)
15K9.32 mi3.11 mi23042+6089151+3589151+35821606(Top 76%)8335(Top 68%)8335(Top 152%)
20K12.43 mi3.11 mi22628+4148921+2308921+23021358(Top 75%)8236(Top 67%)8236(Top 151%)
Half13.11 mi0.68 mi22567+618895+268895+2621599(Top 76%)8368(Top 68%)8368(Top 153%)
25K15.53 mi2.42 mi22239+3288734+1618734+16120569(Top 72%)7855(Top 64%)7855(Top 144%)
30K18.64 mi3.11 mi21945+2948591+1438591+14320727(Top 73%)8070(Top 66%)8070(Top 148%)
20M20.00 mi1.36 mi21749+1968496+958496+9519716(Top 69%)7644(Top 63%)7644(Top 140%)
21M21.00 mi1.00 mi21614+1358454+428454+4219565(Top 69%)7666(Top 63%)7666(Top 140%)
35K21.75 mi0.75 mi21544+708425+298425+2919740(Top 69%)7848(Top 64%)7848(Top 143%)
23M23.00 mi1.25 mi21338+2068344+818344+8118431(Top 65%)7205(Top 59%)7205(Top 132%)
24M24.00 mi1.00 mi21269+698325+198325+1919813(Top 70%)7988(Top 65%)7988(Top 146%)
40K24.85 mi0.85 mi21188+818305+208305+2019294(Top 68%)7785(Top 64%)7785(Top 142%)
25.2M25.20 mi0.35 mi21136+528283+228283+2219013(Top 67%)7652(Top 63%)7652(Top 140%)
Finish26.22 mi1.02 mi20989+1478218+658218+6516398(Top 58%)6258(Top 51%)6258(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21606

Females

8335

F18-39

8335

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22335

Females

8782

F18-39

8782

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21606

Females

8335

F18-39

8335

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21358

Females

8236

F18-39

8236

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21599

Females

8368

F18-39

8368

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20569

Females

7855

F18-39

7855

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20727

Females

8070

F18-39

8070

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19716

Females

7644

F18-39

7644

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19565

Females

7666

F18-39

7666

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19740

Females

7848

F18-39

7848

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18431

Females

7205

F18-39

7205

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19813

Females

7988

F18-39

7988

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19294

Females

7785

F18-39

7785

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19013

Females

7652

F18-39

7652

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16398

Females

6258

F18-39

6258

Passing Analysis

Category:
Athletes Passed
4017
Passed By
239
Net Change
+3778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24767
5K → 10K11258+1117#24767#23650
10K → 15K61911+608#23650#23042
15K → 20K44430+414#23042#22628
20K → Half7110+61#22628#22567
Half → 25K34315+328#22567#22239
25K → 30K35965+294#22239#21945
30K → 20M20812+196#21945#21749
20M → 21M16025+135#21749#21614
21M → 35K8313+70#21614#21544
35K → 23M21913+206#21544#21338
23M → 24M8617+69#21338#21269
24M → 40K9312+81#21269#21188
40K → 25.2M564+52#21188#21136
25.2M → Finish1514+147#21136#20989
TOTALS4017239+3778
📊

Passing Visuals

Category:
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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