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BOSTON MARATHON 2025

Debbie Nagpal

Bib: 24856•F

NJ

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
Top 41%
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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
53:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:20:05
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:47:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:53:57
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:15:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:34/mi
2:45:35
↑ 181↓ 1480.2%
20M
9:27/mi
2:58:25
↑ 64↓ 500.2%
21M
10:20/mi
3:08:45
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:15:48
↑ 17↓ 861.7%
23M
9:27/mi
3:27:38
↑ 23↓ 630.6%
24M
9:16/mi
3:36:54
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:45:00
↓ 200.3%
25.2M
10:12/mi
3:48:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:57:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:03:33
Pace9:25 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2926:308:3226:30
8:32
-
10K
6.21 mi11:54:1253:138:3426:43
8:36
+0:04
15K
9.32 mi12:21:041:20:058:3626:52
8:39
+0:03
20K
12.43 mi12:48:491:47:508:4127:45
8:56
+0:17
Half
13.11 mi12:54:561:53:578:426:07
8:58
+0:02
25K
15.53 mi13:16:512:15:528:4521:55
9:02
+0:04
30K
18.64 mi13:46:342:45:358:5329:43
9:34
+0:32
20M
20.00 mi13:59:242:58:258:5512:50
9:27
-0:07
21M
21.00 mi14:09:443:08:458:5910:20
10:20
+0:53
35K
21.75 mi14:16:473:15:489:007:03
9:25
-0:55
23M
23.00 mi14:28:373:27:389:0211:50
9:27
+0:02
24M
24.00 mi14:37:533:36:549:029:16
9:16
-0:11
40K
24.85 mi14:45:593:45:009:038:06
9:28
+0:12
25.2M
25.20 mi14:49:303:48:319:043:31
10:12
+0:44
Finish
26.22 mi14:58:293:57:309:048:59
8:49
-1:23

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

8:32 /mi

Average Pace

9:04 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:56

52% of race

Time at Steady Pace

1:11:00

30% of race

Time at Slower Pace

43:34

18% of race

Average Pace: 9:03 /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 mi11:27:2926:308:3226:30
8:32
#20076
10K
6.21 mi11:54:1253:138:3426:43
8:36
#20221
15K
9.32 mi12:21:041:20:058:3626:52
8:39
#20189
20K
12.43 mi12:48:491:47:508:4127:45
8:56
#20281
Half
13.11 mi12:54:561:53:578:426:07
8:58
#20365
25K
15.53 mi13:16:512:15:528:4521:55
9:02
#20341
30K
18.64 mi13:46:342:45:358:5329:43
9:34
#20296
20M
20.00 mi13:59:242:58:258:5512:50
9:27
#20176
21M
21.00 mi14:09:443:08:458:5910:20
10:20
#20152
35K
21.75 mi14:16:473:15:489:007:03
9:25
#20147
23M
23.00 mi14:28:373:27:389:0211:50
9:27
#20056
24M
24.00 mi14:37:533:36:549:029:16
9:16
#19987
40K
24.85 mi14:45:593:45:009:038:06
9:28
#19937
25.2M
25.20 mi14:49:303:48:319:043:31
10:12
#19894
Finish
26.22 mi14:58:293:57:309:048:59
8:49
#19842
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi200767542754220206(Top 71%)7549(Top 62%)7549(Top 759%)
10K6.21 mi3.10 mi20221-1457606-647606-6420358(Top 72%)7670(Top 63%)7670(Top 772%)
15K9.32 mi3.11 mi20189+327579+277579+2720206(Top 71%)7549(Top 62%)7549(Top 759%)
20K12.43 mi3.11 mi20281-927636-577636-5720635(Top 73%)7855(Top 64%)7855(Top 790%)
Half13.11 mi0.68 mi20365-847682-467682-4621687(Top 76%)8406(Top 69%)8406(Top 846%)
25K15.53 mi2.42 mi20341+247683-17683-120090(Top 71%)7581(Top 62%)7581(Top 763%)
30K18.64 mi3.11 mi20296+457696-137696-1320210(Top 71%)7770(Top 64%)7770(Top 782%)
20M20.00 mi1.36 mi20176+1207657+397657+3918930(Top 67%)7229(Top 59%)7229(Top 727%)
21M21.00 mi1.00 mi20152+247670-137670-1319505(Top 69%)7622(Top 62%)7622(Top 767%)
35K21.75 mi0.75 mi20147+57675-57675-520061(Top 71%)8011(Top 66%)8011(Top 806%)
23M23.00 mi1.25 mi20056+917652+237652+2318494(Top 65%)7236(Top 59%)7236(Top 728%)
24M24.00 mi1.00 mi19987+697633+197633+1918692(Top 66%)7387(Top 60%)7387(Top 743%)
40K24.85 mi0.85 mi19937+507621+127621+1218633(Top 66%)7449(Top 61%)7449(Top 749%)
25.2M25.20 mi0.35 mi19894+437609+127609+1217941(Top 63%)7119(Top 58%)7119(Top 716%)
Finish26.22 mi1.02 mi19842+527595+147595+1418159(Top 64%)7168(Top 59%)7168(Top 721%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20206

Females

7549

F55-59

7549

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20358

Females

7670

F55-59

7670

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20206

Females

7549

F55-59

7549

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20635

Females

7855

F55-59

7855

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21687

Females

8406

F55-59

8406

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20090

Females

7581

F55-59

7581

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20210

Females

7770

F55-59

7770

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

18930

Females

7229

F55-59

7229

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19505

Females

7622

F55-59

7622

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20061

Females

8011

F55-59

8011

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18494

Females

7236

F55-59

7236

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18692

Females

7387

F55-59

7387

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18633

Females

7449

F55-59

7449

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17941

Females

7119

F55-59

7119

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18159

Females

7168

F55-59

7168

Passing Analysis

Category:
Athletes Passed
1756
Passed By
1522
Net Change
+234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20076
5K → 10K213358-145#20076#20221
10K → 15K198166+32#20221#20189
15K → 20K156248-92#20189#20281
20K → Half993-84#20281#20365
Half → 25K169145+24#20365#20341
25K → 30K248203+45#20341#20296
30K → 20M15737+120#20296#20176
20M → 21M10177+24#20176#20152
21M → 35K6257+5#20152#20147
35K → 23M12736+91#20147#20056
23M → 24M9728+69#20056#19987
24M → 40K8535+50#19987#19937
40K → 25.2M529+43#19937#19894
25.2M → Finish8230+52#19894#19842
TOTALS17561522+234
📊

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