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BOSTON MARATHON 2025

Cyndi Holohan

Bib: 27970•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:31/mi
29:33
↑ 97↓ 3451.5%
10K· 6.21 mi
9:16/mi
58:21
↑ 79↓ 1380.4%
15K· 9.32 mi
9:23/mi
1:27:29
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:58:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
2:04:20
↑ 19↓ 370.5%
25K· 15.53 mi
10:01/mi
2:28:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
3:01:49
↑ 181↓ 1480.2%
20M
10:38/mi
3:16:16
↑ 64↓ 500.2%
21M
11:15/mi
3:27:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
3:35:22
↑ 17↓ 861.7%
23M
11:37/mi
3:49:55
↑ 23↓ 630.6%
24M
11:12/mi
4:01:07
↓ 821.3%
40K· 24.85 mi
11:15/mi
4:10:44
↓ 200.3%
25.2M
12:34/mi
4:15:04
↑ 13↓ 160.2%
Finish· 26.22 mi
10:06/mi
4:25:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:20
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:21:02
Pace10:46 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3529:339:3129:33
9:31
-
10K
6.21 mi12:19:2358:219:2328:48
9:16
-0:15
15K
9.32 mi12:48:311:27:299:2329:08
9:23
+0:07
20K
12.43 mi13:19:091:58:079:3030:38
9:52
+0:29
Half
13.11 mi13:25:222:04:209:296:13
9:07
-0:45
25K
15.53 mi13:49:382:28:369:3424:16
10:01
+0:54
30K
18.64 mi14:22:513:01:499:4533:13
10:41
+0:40
20M
20.00 mi14:37:183:16:169:4914:27
10:38
-0:03
21M
21.00 mi14:48:333:27:319:5311:15
11:15
+0:37
35K
21.75 mi14:56:243:35:229:547:51
10:30
-0:45
23M
23.00 mi15:10:573:49:5510:0014:33
11:37
+1:07
24M
24.00 mi15:22:094:01:0710:0311:12
11:12
-0:25
40K
24.85 mi15:31:464:10:4410:059:37
11:15
+0:03
25.2M
25.20 mi15:36:064:15:0410:074:20
12:34
+1:19
Finish
26.22 mi15:46:244:25:2210:0810:18
10:06
-2:28

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

9:07 /mi

Average Pace

10:08 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:36

56% of race

Time at Steady Pace

1:05:49

25% of race

Time at Slower Pace

50:57

19% of race

Average Pace: 10:07 /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 mi11:50:3529:339:3129:33
9:31
#24284
10K
6.21 mi12:19:2358:219:2328:48
9:16
#23855
15K
9.32 mi12:48:311:27:299:2329:08
9:23
#23712
20K
12.43 mi13:19:091:58:079:3030:38
9:52
#23756
Half
13.11 mi13:25:222:04:209:296:13
9:07
#23696
25K
15.53 mi13:49:382:28:369:3424:16
10:01
#23600
30K
18.64 mi14:22:513:01:499:4533:13
10:41
#23539
20M
20.00 mi14:37:183:16:169:4914:27
10:38
#23473
21M
21.00 mi14:48:333:27:319:5311:15
11:15
#23380
35K
21.75 mi14:56:243:35:229:547:51
10:30
#23361
23M
23.00 mi15:10:573:49:5510:0014:33
11:37
#23461
24M
24.00 mi15:22:094:01:0710:0311:12
11:12
#23508
40K
24.85 mi15:31:464:10:4410:059:37
11:15
#23534
25.2M
25.20 mi15:36:064:15:0410:074:20
12:34
#23556
Finish
26.22 mi15:46:244:25:2210:0810:18
10:06
#23532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242849841984123422(Top 82%)9330(Top 76%)9330(Top 171%)
10K6.21 mi3.10 mi23855+4299605+2369605+23623434(Top 83%)9376(Top 77%)9376(Top 171%)
15K9.32 mi3.11 mi23712+1439526+799526+7923422(Top 82%)9330(Top 76%)9330(Top 171%)
20K12.43 mi3.11 mi23756-449553-279553-2723911(Top 84%)9656(Top 79%)9656(Top 177%)
Half13.11 mi0.68 mi23696+609518+359518+3522317(Top 79%)8799(Top 72%)8799(Top 161%)
25K15.53 mi2.42 mi23600+969479+399479+3923284(Top 82%)9356(Top 77%)9356(Top 171%)
30K18.64 mi3.11 mi23539+619479947923374(Top 82%)9540(Top 78%)9540(Top 174%)
20M20.00 mi1.36 mi23473+669457+229457+2222797(Top 80%)9313(Top 76%)9313(Top 170%)
21M21.00 mi1.00 mi23380+939433+249433+2422061(Top 78%)9007(Top 74%)9007(Top 165%)
35K21.75 mi0.75 mi23361+199436-39436-323161(Top 82%)9633(Top 79%)9633(Top 176%)
23M23.00 mi1.25 mi23461-1009509-739509-7324455(Top 86%)10324(Top 84%)10324(Top 189%)
24M24.00 mi1.00 mi23508-479543-349543-3424395(Top 86%)10320(Top 84%)10320(Top 189%)
40K24.85 mi0.85 mi23534-269580-379580-3723674(Top 83%)10015(Top 82%)10015(Top 183%)
25.2M25.20 mi0.35 mi23556-229602-229602-2224349(Top 86%)10344(Top 85%)10344(Top 189%)
Finish26.22 mi1.02 mi23532+249604-29604-223256(Top 82%)9798(Top 80%)9798(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23422

Females

9330

F18-39

9330

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23434

Females

9376

F18-39

9376

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23422

Females

9330

F18-39

9330

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23911

Females

9656

F18-39

9656

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22317

Females

8799

F18-39

8799

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23284

Females

9356

F18-39

9356

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23374

Females

9540

F18-39

9540

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22797

Females

9313

F18-39

9313

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22061

Females

9007

F18-39

9007

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23161

Females

9633

F18-39

9633

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24455

Females

10324

F18-39

10324

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24395

Females

10320

F18-39

10320

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23674

Females

10015

F18-39

10015

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24349

Females

10344

F18-39

10344

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23256

Females

9798

F18-39

9798

Passing Analysis

Category:
Athletes Passed
1731
Passed By
979
Net Change
+752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24284
5K → 10K51788+429#24284#23855
10K → 15K22582+143#23855#23712
15K → 20K122166-44#23712#23756
20K → Half600+60#23756#23696
Half → 25K16569+96#23696#23600
25K → 30K180119+61#23600#23539
30K → 20M10640+66#23539#23473
20M → 21M12734+93#23473#23380
21M → 35K5233+19#23380#23361
35K → 23M38138-100#23361#23461
23M → 24M3077-47#23461#23508
24M → 40K3561-26#23508#23534
40K → 25.2M2244-22#23534#23556
25.2M → Finish5228+24#23556#23532
TOTALS1731979+752
📊

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