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BOSTON MARATHON 2025

Susan Greenspan

Bib: 22938•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:26
Rank: #18024
Start → 5K
25:26 | 8:11/mi
10K· 6.21 mi
50:38
Rank: #17632 (+392)
5K → 10K
25:12 | 8:07/mi
15K· 9.32 mi
1:16:16
Rank: #17656 (-24)
10K → 15K
25:38 | 8:15/mi
20K· 12.43 mi
1:42:30
Rank: #17670 (-14)
15K → 20K
26:14 | 8:27/mi
Half· 13.11 mi
1:48:09
Rank: #17668 (+2)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:08:51
Rank: #17569 (+99)
Half → 25K
20:42 | 8:32/mi
30K· 18.64 mi
2:36:50
Rank: #17560 (+9)
25K → 30K
27:59 | 9:00/mi
20M
2:49:11
Rank: #17512 (+48)
30K → 20M
12:21 | 9:05/mi
21M
2:59:37
Rank: #17716 (-204)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:06:05
Rank: #17640 (+76)
21M → 35K
6:28 | 8:39/mi
23M
3:17:20
Rank: #17542 (+98)
35K → 23M
11:15 | 8:59/mi
24M
3:26:24
Rank: #17536 (+6)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:34:07
Rank: #17493 (+43)
24M → 40K
7:43 | 9:02/mi
25.2M
3:37:37
Rank: #17496 (-3)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:46:37
Rank: #17520 (-24)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3225:268:1125:26
8:11
-
10K
6.21 mi11:47:4450:388:0925:12
8:07
-0:04
15K
9.32 mi12:13:221:16:168:1125:38
8:15
+0:08
20K
12.43 mi12:39:361:42:308:1526:14
8:27
+0:12
Half
13.11 mi12:45:151:48:098:155:39
8:17
-0:10
25K
15.53 mi13:05:572:08:518:1820:42
8:32
+0:15
30K
18.64 mi13:33:562:36:508:2527:59
9:00
+0:28
20M
20.00 mi13:46:172:49:118:2812:21
9:05
+0:05
21M
21.00 mi13:56:432:59:378:3310:26
10:26
+1:21
35K
21.75 mi14:03:113:06:058:336:28
8:39
-1:47
23M
23.00 mi14:14:263:17:208:3511:15
8:59
+0:20
24M
24.00 mi14:23:303:26:248:369:04
9:04
+0:05
40K
24.85 mi14:31:133:34:078:377:43
9:02
-0:02
25.2M
25.20 mi14:34:433:37:378:383:30
10:09
+1:07
Finish
26.22 mi14:43:433:46:378:399:00
8:50
-1:19

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

8:07 /mi

Average Pace

8:39 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:09

48% of race

Time at Steady Pace

1:44:32

46% of race

Time at Slower Pace

13:56

6% of race

Average Pace: 8:39 /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 mi11:22:3225:268:1125:26
8:11
#18024
10K
6.21 mi11:47:4450:388:0925:12
8:07
#17632
15K
9.32 mi12:13:221:16:168:1125:38
8:15
#17656
20K
12.43 mi12:39:361:42:308:1526:14
8:27
#17670
Half
13.11 mi12:45:151:48:098:155:39
8:17
#17668
25K
15.53 mi13:05:572:08:518:1820:42
8:32
#17569
30K
18.64 mi13:33:562:36:508:2527:59
9:00
#17560
20M
20.00 mi13:46:172:49:118:2812:21
9:05
#17512
21M
21.00 mi13:56:432:59:378:3310:26
10:26
#17716
35K
21.75 mi14:03:113:06:058:336:28
8:39
#17640
23M
23.00 mi14:14:263:17:208:3511:15
8:59
#17542
24M
24.00 mi14:23:303:26:248:369:04
9:04
#17536
40K
24.85 mi14:31:133:34:078:377:43
9:02
#17493
25.2M
25.20 mi14:34:433:37:378:383:30
10:09
#17496
Finish
26.22 mi14:43:433:46:378:399:00
8:50
#17520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180246357635717752(Top 62%)6170(Top 50%)6170(Top 340%)
10K6.21 mi3.10 mi17632+3926114+2436114+24317294(Top 61%)5879(Top 48%)5879(Top 324%)
15K9.32 mi3.11 mi17656-246117-36117-317752(Top 62%)6170(Top 50%)6170(Top 340%)
20K12.43 mi3.11 mi17670-146140-236140-2317843(Top 63%)6256(Top 51%)6256(Top 345%)
Half13.11 mi0.68 mi17668+26132+86132+817868(Top 63%)6247(Top 51%)6247(Top 345%)
25K15.53 mi2.42 mi17569+996103+296103+2917424(Top 61%)6099(Top 50%)6099(Top 336%)
30K18.64 mi3.11 mi17560+96161-586161-5817734(Top 62%)6432(Top 53%)6432(Top 355%)
20M20.00 mi1.36 mi17512+486152+96152+917264(Top 61%)6288(Top 51%)6288(Top 347%)
21M21.00 mi1.00 mi17716-2046278-1266278-12619798(Top 70%)7791(Top 64%)7791(Top 430%)
35K21.75 mi0.75 mi17640+766259+196259+1916377(Top 58%)5997(Top 49%)5997(Top 331%)
23M23.00 mi1.25 mi17542+986250+96250+916188(Top 57%)5990(Top 49%)5990(Top 330%)
24M24.00 mi1.00 mi17536+66269-196269-1917710(Top 62%)6876(Top 56%)6876(Top 379%)
40K24.85 mi0.85 mi17493+436277-86277-816482(Top 58%)6305(Top 52%)6305(Top 348%)
25.2M25.20 mi0.35 mi17496-36289-126289-1217720(Top 62%)6972(Top 57%)6972(Top 385%)
Finish26.22 mi1.02 mi17520-246324-356324-3518220(Top 64%)7194(Top 59%)7194(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17752

Females

6170

F45-49

6170

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17294

Females

5879

F45-49

5879

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17752

Females

6170

F45-49

6170

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17843

Females

6256

F45-49

6256

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17868

Females

6247

F45-49

6247

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17424

Females

6099

F45-49

6099

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17734

Females

6432

F45-49

6432

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17264

Females

6288

F45-49

6288

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19798

Females

7791

F45-49

7791

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16377

Females

5997

F45-49

5997

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16188

Females

5990

F45-49

5990

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17710

Females

6876

F45-49

6876

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16482

Females

6305

F45-49

6305

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17720

Females

6972

F45-49

6972

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18220

Females

7194

F45-49

7194

Passing Analysis

Category:
Athletes Passed
2040
Passed By
1536
Net Change
+504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18024
5K → 10K513121+392#18024#17632
10K → 15K179203-24#17632#17656
15K → 20K188202-14#17656#17670
20K → Half3533+2#17670#17668
Half → 25K207108+99#17668#17569
25K → 30K231222+9#17569#17560
30K → 20M12880+48#17560#17512
20M → 21M57261-204#17512#17716
21M → 35K10024+76#17716#17640
35K → 23M16062+98#17640#17542
23M → 24M7872+6#17542#17536
24M → 40K8946+43#17536#17493
40K → 25.2M2225-3#17493#17496
25.2M → Finish5377-24#17496#17520
TOTALS20401536+504
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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