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BOSTON MARATHON 2025

Jessica Valkenburg

Bib: 30058•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
10:47/mi
33:29
↑ 97↓ 3451.5%
10K· 6.21 mi
10:43/mi
1:06:48
↑ 79↓ 1380.4%
15K· 9.32 mi
11:25/mi
1:42:16
↑ 67↓ 78
20K· 12.43 mi
11:13/mi
2:17:07
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:24:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:57/mi
2:50:48
↑ 66↓ 880.2%
30K· 18.64 mi
10:56/mi
3:24:47
↑ 181↓ 1480.2%
20M
11:23/mi
3:40:15
↑ 64↓ 500.2%
21M
11:24/mi
3:51:39
↑ 106↓ 241.6%
35K· 21.75 mi
11:00/mi
3:59:53
↑ 17↓ 861.7%
23M
11:29/mi
4:14:16
↑ 23↓ 630.6%
24M
10:29/mi
4:24:45
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:33:58
↓ 200.3%
25.2M
11:21/mi
4:37:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:48:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:24:15
Pace11:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:24:33
Pace11:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2333:2910:4733:29
10:47
-
10K
6.21 mi12:28:421:06:4810:4533:19
10:43
-0:04
15K
9.32 mi13:04:101:42:1610:5835:28
11:25
+0:42
20K
12.43 mi13:39:012:17:0711:0234:51
11:13
-0:12
Half
13.11 mi13:46:092:24:1511:007:08
10:27
-0:46
25K
15.53 mi14:12:422:50:4811:0026:33
10:57
+0:30
30K
18.64 mi14:46:413:24:4710:5933:59
10:56
-0:01
20M
20.00 mi15:02:093:40:1511:0115:28
11:23
+0:27
21M
21.00 mi15:13:333:51:3911:0211:24
11:24
+0:01
35K
21.75 mi15:21:473:59:5311:028:14
11:00
-0:24
23M
23.00 mi15:36:104:14:1611:0314:23
11:29
+0:29
24M
24.00 mi15:46:394:24:4511:0210:29
10:29
-1:00
40K
24.85 mi15:55:524:33:5811:019:13
10:47
+0:18
25.2M
25.20 mi15:59:474:37:5311:023:55
11:21
+0:34
Finish
26.22 mi16:10:424:48:4811:0110:55
10:43
-0:38

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

10:27 /mi

Average Pace

11:01 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:05

57% of race

Time at Steady Pace

2:03:43

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:01 /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 mi11:55:2333:2910:4733:29
10:47
#27241
10K
6.21 mi12:28:421:06:4810:4533:19
10:43
#26926
15K
9.32 mi13:04:101:42:1610:5835:28
11:25
#27036
20K
12.43 mi13:39:012:17:0711:0234:51
11:13
#26818
Half
13.11 mi13:46:092:24:1511:007:08
10:27
#26767
25K
15.53 mi14:12:422:50:4811:0026:33
10:57
#26490
30K
18.64 mi14:46:413:24:4710:5933:59
10:56
#26042
20M
20.00 mi15:02:093:40:1511:0115:28
11:23
#25927
21M
21.00 mi15:13:333:51:3911:0211:24
11:24
#25770
35K
21.75 mi15:21:473:59:5311:028:14
11:00
#25736
23M
23.00 mi15:36:104:14:1611:0314:23
11:29
#25683
24M
24.00 mi15:46:394:24:4511:0210:29
10:29
#25578
40K
24.85 mi15:55:524:33:5811:019:13
10:47
#25477
25.2M
25.20 mi15:59:474:37:5311:023:55
11:21
#25431
Finish
26.22 mi16:10:424:48:4811:0110:55
10:43
#25408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi27241114691146927152(Top 96%)11464(Top 94%)11464(Top 880%)
10K6.21 mi3.10 mi26926+31511299+17011299+17026639(Top 94%)11141(Top 91%)11141(Top 855%)
15K9.32 mi3.11 mi27036-11011377-7811377-7827152(Top 96%)11464(Top 94%)11464(Top 880%)
20K12.43 mi3.11 mi26818+21811257+12011257+12026306(Top 93%)10977(Top 90%)10977(Top 842%)
Half13.11 mi0.68 mi26767+5111222+3511222+3525704(Top 90%)10664(Top 87%)10664(Top 818%)
25K15.53 mi2.42 mi26490+27711073+14911073+14925129(Top 88%)10362(Top 85%)10362(Top 795%)
30K18.64 mi3.11 mi26042+44810847+22610847+22623897(Top 84%)9817(Top 80%)9817(Top 753%)
20M20.00 mi1.36 mi25927+11510793+5410793+5424323(Top 86%)10130(Top 83%)10130(Top 777%)
21M21.00 mi1.00 mi25770+15710728+6510728+6522377(Top 79%)9186(Top 75%)9186(Top 705%)
35K21.75 mi0.75 mi25736+3410714+1410714+1424184(Top 85%)10164(Top 83%)10164(Top 780%)
23M23.00 mi1.25 mi25683+5310702+1210702+1224215(Top 85%)10210(Top 83%)10210(Top 784%)
24M24.00 mi1.00 mi25578+10510656+4610656+4622747(Top 80%)9516(Top 78%)9516(Top 730%)
40K24.85 mi0.85 mi25477+10110615+4110615+4122615(Top 80%)9516(Top 78%)9516(Top 730%)
25.2M25.20 mi0.35 mi25431+4610584+3110584+3121614(Top 76%)8983(Top 73%)8983(Top 689%)
Finish26.22 mi1.02 mi25408+2310581+310581+324741(Top 87%)10535(Top 86%)10535(Top 809%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27152

Females

11464

F50-54

11464

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26639

Females

11141

F50-54

11141

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27152

Females

11464

F50-54

11464

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26306

Females

10977

F50-54

10977

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25704

Females

10664

F50-54

10664

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25129

Females

10362

F50-54

10362

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23897

Females

9817

F50-54

9817

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24323

Females

10130

F50-54

10130

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22377

Females

9186

F50-54

9186

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24184

Females

10164

F50-54

10164

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24215

Females

10210

F50-54

10210

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22747

Females

9516

F50-54

9516

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22615

Females

9516

F50-54

9516

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21614

Females

8983

F50-54

8983

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24741

Females

10535

F50-54

10535

Passing Analysis

Category:
Athletes Passed
2137
Passed By
304
Net Change
+1833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27241
5K → 10K35035+315#27241#26926
10K → 15K72182-110#26926#27036
15K → 20K23113+218#27036#26818
20K → Half521+51#26818#26767
Half → 25K2803+277#26767#26490
25K → 30K4491+448#26490#26042
30K → 20M1238+115#26042#25927
20M → 21M1614+157#25927#25770
21M → 35K4713+34#25770#25736
35K → 23M6815+53#25736#25683
23M → 24M1105+105#25683#25578
24M → 40K1054+101#25578#25477
40K → 25.2M482+46#25477#25431
25.2M → Finish4118+23#25431#25408
TOTALS2137304+1833
📊

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