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BOSTON MARATHON 2025

Joy Dubin Grossman

Bib: 25310•F

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
10:01/mi
31:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:08/mi
1:02:34
↑ 79↓ 1380.4%
15K· 9.32 mi
10:26/mi
1:34:59
↑ 67↓ 78
20K· 12.43 mi
10:55/mi
2:08:53
↑ 106↓ 860.1%
Half· 13.11 mi
10:45/mi
2:16:13
↑ 19↓ 370.5%
25K· 15.53 mi
11:32/mi
2:44:10
↑ 66↓ 880.2%
30K· 18.64 mi
12:11/mi
3:22:02
↑ 181↓ 1480.2%
20M
12:57/mi
3:39:38
↑ 64↓ 500.2%
21M
14:02/mi
3:53:40
↑ 106↓ 241.6%
35K· 21.75 mi
12:29/mi
4:03:00
↑ 17↓ 861.7%
23M
13:50/mi
4:20:19
↑ 23↓ 630.6%
24M
12:29/mi
4:32:48
↓ 821.3%
40K· 24.85 mi
12:54/mi
4:43:50
↓ 200.3%
25.2M
13:58/mi
4:48:39
↑ 13↓ 160.2%
Finish· 26.22 mi
12:17/mi
5:01:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:13
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:44:57
Pace12:35 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:5731:0610:0131:06
10:01
-
10K
6.21 mi12:03:251:02:3410:0431:28
10:08
+0:07
15K
9.32 mi12:35:501:34:5910:1132:25
10:26
+0:18
20K
12.43 mi13:09:442:08:5310:2233:54
10:55
+0:29
Half
13.11 mi13:17:042:16:1310:237:20
10:45
-0:10
25K
15.53 mi13:45:012:44:1010:3427:57
11:32
+0:47
30K
18.64 mi14:22:533:22:0210:5037:52
12:11
+0:39
20M
20.00 mi14:40:293:39:3810:5917:36
12:57
+0:46
21M
21.00 mi14:54:313:53:4011:0814:02
14:02
+1:05
35K
21.75 mi15:03:514:03:0011:109:20
12:29
-1:33
23M
23.00 mi15:21:104:20:1911:1917:19
13:50
+1:21
24M
24.00 mi15:33:394:32:4811:2212:29
12:29
-1:21
40K
24.85 mi15:44:414:43:5011:2511:02
12:54
+0:25
25.2M
25.20 mi15:49:304:48:3911:274:49
13:58
+1:04
Finish
26.22 mi16:02:015:01:1011:3012:31
12:17
-1:41

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

10:01 /mi

Average Pace

11:30 /mi

Slowest Pace

14:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:10

55% of race

Time at Steady Pace

1:23:14

28% of race

Time at Slower Pace

53:46

18% of race

Average Pace: 11:29 /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 mi11:31:5731:0610:0131:06
10:01
#25593
10K
6.21 mi12:03:251:02:3410:0431:28
10:08
#25585
15K
9.32 mi12:35:501:34:5910:1132:25
10:26
#25700
20K
12.43 mi13:09:442:08:5310:2233:54
10:55
#25735
Half
13.11 mi13:17:042:16:1310:237:20
10:45
#25764
25K
15.53 mi13:45:012:44:1010:3427:57
11:32
#25813
30K
18.64 mi14:22:533:22:0210:5037:52
12:11
#25816
20M
20.00 mi14:40:293:39:3810:5917:36
12:57
#25883
21M
21.00 mi14:54:313:53:4011:0814:02
14:02
#25929
35K
21.75 mi15:03:514:03:0011:109:20
12:29
#25953
23M
23.00 mi15:21:104:20:1911:1917:19
13:50
#26078
24M
24.00 mi15:33:394:32:4811:2212:29
12:29
#26095
40K
24.85 mi15:44:414:43:5011:2511:02
12:54
#26123
25.2M
25.20 mi15:49:304:48:3911:274:49
13:58
#26129
Finish
26.22 mi16:02:015:01:1011:3012:31
12:17
#26191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi25593105341053425813(Top 91%)10683(Top 87%)10683(Top 1712%)
10K6.21 mi3.10 mi25585+810547-1310547-1325575(Top 90%)10570(Top 86%)10570(Top 1694%)
15K9.32 mi3.11 mi25700-11510617-7010617-7025813(Top 91%)10683(Top 87%)10683(Top 1712%)
20K12.43 mi3.11 mi25735-3510637-2010637-2025863(Top 91%)10733(Top 88%)10733(Top 1720%)
Half13.11 mi0.68 mi25764-2910649-1210649-1226160(Top 92%)10912(Top 89%)10912(Top 1749%)
25K15.53 mi2.42 mi25813-4910699-5010699-5025896(Top 91%)10803(Top 88%)10803(Top 1731%)
30K18.64 mi3.11 mi25816-310728-2910728-2925817(Top 91%)10848(Top 89%)10848(Top 1738%)
20M20.00 mi1.36 mi25883-6710772-4410772-4426390(Top 93%)11220(Top 92%)11220(Top 1798%)
21M21.00 mi1.00 mi25929-4610804-3210804-3226262(Top 92%)11187(Top 91%)11187(Top 1793%)
35K21.75 mi0.75 mi25953-2410823-1910823-1926421(Top 93%)11293(Top 92%)11293(Top 1810%)
23M23.00 mi1.25 mi26078-12510905-8210905-8227175(Top 96%)11692(Top 96%)11692(Top 1874%)
24M24.00 mi1.00 mi26095-1710925-2010925-2026285(Top 93%)11260(Top 92%)11260(Top 1804%)
40K24.85 mi0.85 mi26123-2810951-2610951-2626195(Top 92%)11239(Top 92%)11239(Top 1801%)
25.2M25.20 mi0.35 mi26129-610959-810959-826225(Top 92%)11301(Top 92%)11301(Top 1811%)
Finish26.22 mi1.02 mi26191-6210998-3910998-3927089(Top 95%)11670(Top 95%)11670(Top 1870%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25813

Females

10683

F60-64

10683

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25575

Females

10570

F60-64

10570

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25813

Females

10683

F60-64

10683

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25863

Females

10733

F60-64

10733

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26160

Females

10912

F60-64

10912

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25896

Females

10803

F60-64

10803

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25817

Females

10848

F60-64

10848

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26390

Females

11220

F60-64

11220

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26262

Females

11187

F60-64

11187

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26421

Females

11293

F60-64

11293

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27175

Females

11692

F60-64

11692

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26285

Females

11260

F60-64

11260

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26195

Females

11239

F60-64

11239

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26225

Females

11301

F60-64

11301

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

27089

Females

11670

F60-64

11670

Passing Analysis

Category:
Athletes Passed
752
Passed By
1350
Net Change
-598
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25593
5K → 10K205197+8#25593#25585
10K → 15K89204-115#25585#25700
15K → 20K114149-35#25700#25735
20K → Half1039-29#25735#25764
Half → 25K86135-49#25764#25813
25K → 30K106109-3#25813#25816
30K → 20M37104-67#25816#25883
20M → 21M2571-46#25883#25929
21M → 35K2145-24#25929#25953
35K → 23M11136-125#25953#26078
23M → 24M2037-17#26078#26095
24M → 40K1644-28#26095#26123
40K → 25.2M915-6#26123#26129
25.2M → Finish365-62#26129#26191
TOTALS7521350-598
📊

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