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BOSTON MARATHON 2025

Sandra Sheehy

Bib: 30901•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 (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:22
Rank: #27619
Start → 5K
11:04/mi
34:22 split
10K· 6.21 mi
1:11:23
Rank: #27807 (-188)
5K → 10K
11:55/mi
37:01 split
15K· 9.32 mi
1:48:41
Rank: #27775 (+32)
10K → 15K
12:00/mi
37:18 split
20K· 12.43 mi
2:26:31
Rank: #27665 (+110)
15K → 20K
12:11/mi
37:50 split
Half· 13.11 mi
2:34:19
Rank: #27626 (+39)
20K → Half
11:26/mi
7:48 split
25K· 15.53 mi
3:03:27
Rank: #27425 (+201)
Half → 25K
12:01/mi
29:08 split
30K· 18.64 mi
3:42:04
Rank: #27211 (+214)
25K → 30K
12:26/mi
38:37 split
20M
3:58:42
Rank: #27122 (+89)
30K → 20M
12:14/mi
16:38 split
21M
4:11:41
Rank: #27053 (+69)
20M → 21M
12:59/mi
12:59 split
35K· 21.75 mi
4:20:49
Rank: #27037 (+16)
21M → 35K
12:12/mi
9:08 split
23M
4:37:08
Rank: #27020 (+17)
35K → 23M
13:02/mi
16:19 split
24M
4:49:42
Rank: #27008 (+12)
23M → 24M
12:34/mi
12:34 split
40K· 24.85 mi
5:00:26
Rank: #26967 (+41)
24M → 40K
12:34/mi
10:44 split
25.2M
5:04:50
Rank: #26940 (+27)
40K → 25.2M
12:46/mi
4:24 split
Finish· 26.22 mi
5:16:46
Rank: #26925 (+15)
25.2M → Finish
11:43/mi
11:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:19
Pace11:46 /mi
2nd Half
Distance13.11 mi
Time2:42:27
Pace12:24 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3034:2211:0434:22
11:04
-
10K
6.21 mi12:31:311:11:2311:2937:01
11:55
+0:51
15K
9.32 mi13:08:491:48:4111:4037:18
12:00
+0:05
20K
12.43 mi13:46:392:26:3111:4737:50
12:11
+0:11
Half
13.11 mi13:54:272:34:1911:467:48
11:26
-0:45
25K
15.53 mi14:23:353:03:2711:4929:08
12:01
+0:35
30K
18.64 mi15:02:123:42:0411:5538:37
12:26
+0:25
20M
20.00 mi15:18:503:58:4211:5616:38
12:14
-0:12
21M
21.00 mi15:31:494:11:4111:5912:59
12:59
+0:45
35K
21.75 mi15:40:574:20:4912:009:08
12:12
-0:47
23M
23.00 mi15:57:164:37:0812:0316:19
13:02
+0:50
24M
24.00 mi16:09:504:49:4212:0412:34
12:34
-0:28
40K
24.85 mi16:20:345:00:2612:0510:44
12:34
0:00
25.2M
25.20 mi16:24:585:04:5012:064:24
12:46
+0:12
Finish
26.22 mi16:36:545:16:4612:0511:56
11:43
-1:03

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

11:04 /mi

Average Pace

12:05 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:33

50% of race

Time at Steady Pace

2:39:13

50% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:05 /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 mi11:54:3034:2211:0434:22
11:04
#27619
10K
6.21 mi12:31:311:11:2311:2937:01
11:55
#27807
15K
9.32 mi13:08:491:48:4111:4037:18
12:00
#27775
20K
12.43 mi13:46:392:26:3111:4737:50
12:11
#27665
Half
13.11 mi13:54:272:34:1911:467:48
11:26
#27626
25K
15.53 mi14:23:353:03:2711:4929:08
12:01
#27425
30K
18.64 mi15:02:123:42:0411:5538:37
12:26
#27211
20M
20.00 mi15:18:503:58:4211:5616:38
12:14
#27122
21M
21.00 mi15:31:494:11:4111:5912:59
12:59
#27053
35K
21.75 mi15:40:574:20:4912:009:08
12:12
#27037
23M
23.00 mi15:57:164:37:0812:0316:19
13:02
#27020
24M
24.00 mi16:09:504:49:4212:0412:34
12:34
#27008
40K
24.85 mi16:20:345:00:2612:0510:44
12:34
#26967
25.2M
25.20 mi16:24:585:04:5012:064:24
12:46
#26940
Finish
26.22 mi16:36:545:16:4612:0511:56
11:43
#26925
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi27619117161171627629(Top 97%)11765(Top 96%)11765(Top 1885%)
10K6.21 mi3.10 mi27807-18811832-11611832-11627889(Top 98%)11902(Top 97%)11902(Top 1907%)
15K9.32 mi3.11 mi27775+3211827+511827+527629(Top 97%)11765(Top 96%)11765(Top 1885%)
20K12.43 mi3.11 mi27665+11011772+5511772+5527252(Top 96%)11555(Top 94%)11555(Top 1852%)
Half13.11 mi0.68 mi27626+3911749+2311749+2326990(Top 95%)11408(Top 93%)11408(Top 1828%)
25K15.53 mi2.42 mi27425+20111635+11411635+11426449(Top 93%)11110(Top 91%)11110(Top 1780%)
30K18.64 mi3.11 mi27211+21411529+10611529+10626095(Top 92%)10993(Top 90%)10993(Top 1762%)
20M20.00 mi1.36 mi27122+8911479+5011479+5025586(Top 90%)10798(Top 88%)10798(Top 1730%)
21M21.00 mi1.00 mi27053+6911446+3311446+3325015(Top 88%)10581(Top 87%)10581(Top 1696%)
35K21.75 mi0.75 mi27037+1611442+411442+426133(Top 92%)11159(Top 91%)11159(Top 1788%)
23M23.00 mi1.25 mi27020+1711439+311439+326398(Top 93%)11297(Top 92%)11297(Top 1810%)
24M24.00 mi1.00 mi27008+12114391143926375(Top 93%)11309(Top 92%)11309(Top 1812%)
40K24.85 mi0.85 mi26967+4111423+1611423+1625739(Top 91%)11013(Top 90%)11013(Top 1765%)
25.2M25.20 mi0.35 mi26940+2711411+1211411+1224637(Top 87%)10498(Top 86%)10498(Top 1682%)
Finish26.22 mi1.02 mi26925+1511405+611405+626419(Top 93%)11347(Top 93%)11347(Top 1818%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27629

Females

11765

F60-64

11765

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27889

Females

11902

F60-64

11902

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27629

Females

11765

F60-64

11765

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27252

Females

11555

F60-64

11555

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26990

Females

11408

F60-64

11408

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26449

Females

11110

F60-64

11110

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26095

Females

10993

F60-64

10993

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25586

Females

10798

F60-64

10798

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25015

Females

10581

F60-64

10581

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26133

Females

11159

F60-64

11159

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26398

Females

11297

F60-64

11297

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26375

Females

11309

F60-64

11309

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25739

Females

11013

F60-64

11013

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24637

Females

10498

F60-64

10498

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26419

Females

11347

F60-64

11347

Passing Analysis

Category:
Athletes Passed
1072
Passed By
378
Net Change
+694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27619
5K → 10K37225-188#27619#27807
10K → 15K9462+32#27807#27775
15K → 20K13828+110#27775#27665
20K → Half456+39#27665#27626
Half → 25K2032+201#27626#27425
25K → 30K2206+214#27425#27211
30K → 20M934+89#27211#27122
20M → 21M723+69#27122#27053
21M → 35K2610+16#27053#27037
35K → 23M2912+17#27037#27020
23M → 24M2210+12#27020#27008
24M → 40K421+41#27008#26967
40K → 25.2M270+27#26967#26940
25.2M → Finish249+15#26940#26925
TOTALS1072378+694
📊

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