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BOSTON MARATHON 2025

Jacqueline James

Bib: 28703•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:18/mi
31:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:33/mi
1:04:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:38:01
↑ 67↓ 78
20K· 12.43 mi
11:03/mi
2:12:20
↑ 106↓ 860.1%
Half· 13.11 mi
10:33/mi
2:19:32
↑ 19↓ 370.5%
25K· 15.53 mi
12:45/mi
2:50:26
↑ 66↓ 880.2%
30K· 18.64 mi
12:32/mi
3:29:21
↑ 181↓ 1480.2%
20M
12:53/mi
3:46:52
↑ 64↓ 500.2%
21M
14:57/mi
4:01:49
↑ 106↓ 241.6%
35K· 21.75 mi
11:18/mi
4:10:16
↑ 17↓ 861.7%
23M
13:33/mi
4:27:14
↑ 23↓ 630.6%
24M
11:50/mi
4:39:04
↓ 821.3%
40K· 24.85 mi
12:39/mi
4:49:53
↓ 200.3%
25.2M
13:44/mi
4:54:37
↑ 13↓ 160.2%
Finish· 26.22 mi
11:58/mi
5:06:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:32
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:47:17
Pace12:46 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2031:5910:1831:59
10:18
-
10K
6.21 mi12:25:081:04:4710:2632:48
10:33
+0:15
15K
9.32 mi12:58:221:38:0110:3133:14
10:42
+0:09
20K
12.43 mi13:32:412:12:2010:3934:19
11:03
+0:21
Half
13.11 mi13:39:532:19:3210:397:12
10:33
-0:30
25K
15.53 mi14:10:472:50:2610:5830:54
12:45
+2:12
30K
18.64 mi14:49:423:29:2111:1438:55
12:32
-0:13
20M
20.00 mi15:07:133:46:5211:2117:31
12:53
+0:21
21M
21.00 mi15:22:104:01:4911:3114:57
14:57
+2:04
35K
21.75 mi15:30:374:10:1611:308:27
11:18
-3:39
23M
23.00 mi15:47:354:27:1411:3716:58
13:33
+2:15
24M
24.00 mi15:59:254:39:0411:3811:50
11:50
-1:43
40K
24.85 mi16:10:144:49:5311:4010:49
12:39
+0:49
25.2M
25.20 mi16:14:584:54:3711:414:44
13:44
+1:05
Finish
26.22 mi16:27:105:06:4911:4312:12
11:58
-1:46

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

10:18 /mi

Average Pace

11:43 /mi

Slowest Pace

14:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:59

48% of race

Time at Steady Pace

1:02:57

21% of race

Time at Slower Pace

1:35:53

31% of race

Average Pace: 11:42 /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 mi11:52:2031:5910:1831:59
10:18
#26286
10K
6.21 mi12:25:081:04:4710:2632:48
10:33
#26350
15K
9.32 mi12:58:221:38:0110:3133:14
10:42
#26312
20K
12.43 mi13:32:412:12:2010:3934:19
11:03
#26244
Half
13.11 mi13:39:532:19:3210:397:12
10:33
#26222
25K
15.53 mi14:10:472:50:2610:5830:54
12:45
#26452
30K
18.64 mi14:49:423:29:2111:1438:55
12:32
#26436
20M
20.00 mi15:07:133:46:5211:2117:31
12:53
#26441
21M
21.00 mi15:22:104:01:4911:3114:57
14:57
#26500
35K
21.75 mi15:30:374:10:1611:308:27
11:18
#26442
23M
23.00 mi15:47:354:27:1411:3716:58
13:33
#26492
24M
24.00 mi15:59:254:39:0411:3811:50
11:50
#26459
40K
24.85 mi16:10:144:49:5311:4010:49
12:39
#26459
25.2M
25.20 mi16:14:584:54:3711:414:44
13:44
#26463
Finish
26.22 mi16:27:105:06:4911:4312:12
11:58
#26487
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26286109131091326245(Top 92%)10915(Top 89%)10915(Top 1098%)
10K6.21 mi3.10 mi26350-6410964-5110964-5126371(Top 93%)10996(Top 90%)10996(Top 1106%)
15K9.32 mi3.11 mi26312+3810956+810956+826245(Top 92%)10915(Top 89%)10915(Top 1098%)
20K12.43 mi3.11 mi26244+6810914+4210914+4226072(Top 92%)10849(Top 89%)10849(Top 1091%)
Half13.11 mi0.68 mi26222+2210906+810906+825871(Top 91%)10759(Top 88%)10759(Top 1082%)
25K15.53 mi2.42 mi26452-23011049-14311049-14327109(Top 95%)11495(Top 94%)11495(Top 1156%)
30K18.64 mi3.11 mi26436+1611067-1811067-1826197(Top 92%)11057(Top 90%)11057(Top 1112%)
20M20.00 mi1.36 mi26441-511085-1811085-1826334(Top 93%)11186(Top 91%)11186(Top 1125%)
21M21.00 mi1.00 mi26500-5911125-4011125-4027099(Top 95%)11615(Top 95%)11615(Top 1169%)
35K21.75 mi0.75 mi26442+5811102+2311102+2324749(Top 87%)10459(Top 86%)10459(Top 1052%)
23M23.00 mi1.25 mi26492-5011144-4211144-4226913(Top 95%)11559(Top 95%)11559(Top 1163%)
24M24.00 mi1.00 mi26459+3311127+1711127+1725448(Top 90%)10855(Top 89%)10855(Top 1092%)
40K24.85 mi0.85 mi2645911133-611133-625854(Top 91%)11070(Top 91%)11070(Top 1114%)
25.2M25.20 mi0.35 mi26463-411141-811141-825936(Top 91%)11148(Top 91%)11148(Top 1122%)
Finish26.22 mi1.02 mi26487-2411154-1311154-1326745(Top 94%)11499(Top 94%)11499(Top 1157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26245

Females

10915

F55-59

10915

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26371

Females

10996

F55-59

10996

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26245

Females

10915

F55-59

10915

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26072

Females

10849

F55-59

10849

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25871

Females

10759

F55-59

10759

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27109

Females

11495

F55-59

11495

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26197

Females

11057

F55-59

11057

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26334

Females

11186

F55-59

11186

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

27099

Females

11615

F55-59

11615

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24749

Females

10459

F55-59

10459

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26913

Females

11559

F55-59

11559

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25448

Females

10855

F55-59

10855

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25854

Females

11070

F55-59

11070

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25936

Females

11148

F55-59

11148

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26745

Females

11499

F55-59

11499

Passing Analysis

Category:
Athletes Passed
837
Passed By
1038
Net Change
-201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26286
5K → 10K134198-64#26286#26350
10K → 15K147109+38#26350#26312
15K → 20K14981+68#26312#26244
20K → Half3816+22#26244#26222
Half → 25K26256-230#26222#26452
25K → 30K11296+16#26452#26436
30K → 20M4045-5#26436#26441
20M → 21M1574-59#26441#26500
21M → 35K602+58#26500#26442
35K → 23M1868-50#26442#26492
23M → 24M4613+33#26492#26459
24M → 40K24240#26459#26459
40K → 25.2M1216-4#26459#26463
25.2M → Finish1640-24#26463#26487
TOTALS8371038-201
📊

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