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BOSTON MARATHON 2025

Cindy Mercier

Bib: 13377•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F45-49)
#0 / 1813
Top 34%
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
7:36/mi
23:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:11:04
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:37:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:43:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:44/mi
2:04:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:32:10
↑ 181↓ 1480.2%
20M
8:54/mi
2:44:15
↑ 64↓ 500.2%
21M
9:41/mi
2:53:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
3:00:04
↑ 17↓ 861.7%
23M
9:06/mi
3:11:28
↑ 23↓ 630.6%
24M
8:22/mi
3:19:50
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:26:46
↓ 200.3%
25.2M
9:52/mi
3:30:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:38:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0523:367:3623:36
7:36
-
10K
6.21 mi11:19:2546:567:3323:20
7:31
-0:05
15K
9.32 mi11:43:331:11:047:3724:08
7:46
+0:15
20K
12.43 mi12:09:401:37:117:4926:07
8:24
+0:38
Half
13.11 mi12:15:331:43:047:525:53
8:37
+0:13
25K
15.53 mi12:36:442:04:158:0021:11
8:44
+0:07
30K
18.64 mi13:04:392:32:108:1027:55
8:59
+0:15
20M
20.00 mi13:16:442:44:158:1312:05
8:54
-0:05
21M
21.00 mi13:26:252:53:568:179:41
9:41
+0:47
35K
21.75 mi13:32:333:00:048:176:08
8:12
-1:29
23M
23.00 mi13:43:573:11:288:1911:24
9:06
+0:54
24M
24.00 mi13:52:193:19:508:208:22
8:22
-0:44
40K
24.85 mi13:59:153:26:468:196:56
8:07
-0:15
25.2M
25.20 mi14:02:393:30:108:203:24
9:52
+1:45
Finish
26.22 mi14:10:453:38:168:208:06
7:57
-1:55

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

7:31 /mi

Average Pace

8:20 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:10

36% of race

Time at Steady Pace

1:14:37

34% of race

Time at Slower Pace

1:04:29

30% of race

Average Pace: 8:19 /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 mi10:56:0523:367:3623:36
7:36
#13100
10K
6.21 mi11:19:2546:567:3323:20
7:31
#12618
15K
9.32 mi11:43:331:11:047:3724:08
7:46
#13095
20K
12.43 mi12:09:401:37:117:4926:07
8:24
#14417
Half
13.11 mi12:15:331:43:047:525:53
8:37
#14761
25K
15.53 mi12:36:442:04:158:0021:11
8:44
#15531
30K
18.64 mi13:04:392:32:108:1027:55
8:59
#15965
20M
20.00 mi13:16:442:44:158:1312:05
8:54
#15955
21M
21.00 mi13:26:252:53:568:179:41
9:41
#15964
35K
21.75 mi13:32:333:00:048:176:08
8:12
#15829
23M
23.00 mi13:43:573:11:288:1911:24
9:06
#15845
24M
24.00 mi13:52:193:19:508:208:22
8:22
#15737
40K
24.85 mi13:59:153:26:468:196:56
8:07
#15549
25.2M
25.20 mi14:02:393:30:108:203:24
9:52
#15553
Finish
26.22 mi14:10:453:38:168:208:06
7:57
#15435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131003379337914118(Top 50%)4090(Top 33%)4090(Top 226%)
10K6.21 mi3.10 mi12618+4823139+2403139+24012220(Top 43%)2945(Top 24%)2945(Top 162%)
15K9.32 mi3.11 mi13095-4773450-3113450-31114118(Top 50%)4090(Top 33%)4090(Top 226%)
20K12.43 mi3.11 mi14417-13224246-7964246-79617589(Top 62%)6101(Top 50%)6101(Top 337%)
Half13.11 mi0.68 mi14761-3444450-2044450-20419929(Top 70%)7417(Top 61%)7417(Top 409%)
25K15.53 mi2.42 mi15531-7704907-4574907-45718606(Top 66%)6755(Top 55%)6755(Top 373%)
30K18.64 mi3.11 mi15965-4345200-2935200-29317617(Top 62%)6364(Top 52%)6364(Top 351%)
20M20.00 mi1.36 mi15955+105244-445244-4416186(Top 57%)5705(Top 47%)5705(Top 315%)
21M21.00 mi1.00 mi15964-95280-365280-3616961(Top 60%)6232(Top 51%)6232(Top 344%)
35K21.75 mi0.75 mi15829+1355223+575223+5713676(Top 48%)4523(Top 37%)4523(Top 249%)
23M23.00 mi1.25 mi15845-165278-555278-5516849(Top 59%)6356(Top 52%)6356(Top 351%)
24M24.00 mi1.00 mi15737+1085230+485230+4813687(Top 48%)4661(Top 38%)4661(Top 257%)
40K24.85 mi0.85 mi15549+1885153+775153+7711007(Top 39%)3424(Top 28%)3424(Top 189%)
25.2M25.20 mi0.35 mi15553-45168-155168-1516416(Top 58%)6277(Top 51%)6277(Top 346%)
Finish26.22 mi1.02 mi15435+1185124+445124+4412580(Top 44%)4237(Top 35%)4237(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14118

Females

4090

F45-49

4090

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12220

Females

2945

F45-49

2945

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14118

Females

4090

F45-49

4090

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17589

Females

6101

F45-49

6101

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19929

Females

7417

F45-49

7417

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18606

Females

6755

F45-49

6755

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17617

Females

6364

F45-49

6364

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16186

Females

5705

F45-49

5705

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16961

Females

6232

F45-49

6232

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13676

Females

4523

F45-49

4523

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16849

Females

6356

F45-49

6356

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13687

Females

4661

F45-49

4661

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11007

Females

3424

F45-49

3424

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16416

Females

6277

F45-49

6277

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12580

Females

4237

F45-49

4237

Passing Analysis

Category:
Athletes Passed
1841
Passed By
4176
Net Change
-2335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13100
5K → 10K595113+482#13100#12618
10K → 15K70547-477#12618#13095
15K → 20K401362-1322#13095#14417
20K → Half3347-344#14417#14761
Half → 25K46816-770#14761#15531
25K → 30K121555-434#15531#15965
30K → 20M120110+10#15965#15955
20M → 21M106115-9#15955#15964
21M → 35K14712+135#15964#15829
35K → 23M111127-16#15829#15845
23M → 24M12618+108#15845#15737
24M → 40K1935+188#15737#15549
40K → 25.2M3034-4#15549#15553
25.2M → Finish13315+118#15553#15435
TOTALS18414176-2335
📊

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