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BOSTON MARATHON 2025

Cinthia Fernholz

Bib: 26227•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:51/mi
30:36
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
1:00:25
↑ 79↓ 1380.4%
15K· 9.32 mi
9:29/mi
1:29:54
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
2:01:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:07:43
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:32:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
3:04:21
↑ 181↓ 1480.2%
20M
10:34/mi
3:18:42
↑ 64↓ 500.2%
21M
11:48/mi
3:30:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:37:54
↑ 17↓ 861.7%
23M
10:09/mi
3:50:36
↑ 23↓ 630.6%
24M
10:25/mi
4:01:01
↓ 821.3%
40K· 24.85 mi
10:21/mi
4:09:52
↓ 200.3%
25.2M
11:19/mi
4:13:46
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:23:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:43
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:16:08
Pace10:23 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0230:369:5130:36
9:51
-
10K
6.21 mi12:16:511:00:259:4329:49
9:36
-0:15
15K
9.32 mi12:46:201:29:549:3929:29
9:29
-0:07
20K
12.43 mi13:17:382:01:129:4531:18
10:04
+0:35
Half
13.11 mi13:24:092:07:439:456:31
9:33
-0:31
25K
15.53 mi13:48:322:32:069:4724:23
10:03
+0:30
30K
18.64 mi14:20:473:04:219:5332:15
10:23
+0:20
20M
20.00 mi14:35:083:18:429:5614:21
10:34
+0:11
21M
21.00 mi14:46:563:30:3010:0111:48
11:48
+1:14
35K
21.75 mi14:54:203:37:5410:017:24
9:53
-1:55
23M
23.00 mi15:07:023:50:3610:0212:42
10:09
+0:16
24M
24.00 mi15:17:274:01:0110:0310:25
10:25
+0:16
40K
24.85 mi15:26:184:09:5210:038:51
10:21
-0:04
25.2M
25.20 mi15:30:124:13:4610:043:54
11:19
+0:58
Finish
26.22 mi15:40:174:23:5110:0410:05
9:54
-1:25

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

9:29 /mi

Average Pace

10:04 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:49

25% of race

Time at Steady Pace

2:05:19

47% of race

Time at Slower Pace

1:12:43

28% of race

Average Pace: 10:04 /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 mi11:47:0230:369:5130:36
9:51
#25204
10K
6.21 mi12:16:511:00:259:4329:49
9:36
#24793
15K
9.32 mi12:46:201:29:549:3929:29
9:29
#24425
20K
12.43 mi13:17:382:01:129:4531:18
10:04
#24424
Half
13.11 mi13:24:092:07:439:456:31
9:33
#24383
25K
15.53 mi13:48:322:32:069:4724:23
10:03
#24233
30K
18.64 mi14:20:473:04:219:5332:15
10:23
#23929
20M
20.00 mi14:35:083:18:429:5614:21
10:34
#23838
21M
21.00 mi14:46:563:30:3010:0111:48
11:48
#23804
35K
21.75 mi14:54:203:37:5410:017:24
9:53
#23717
23M
23.00 mi15:07:023:50:3610:0212:42
10:09
#23544
24M
24.00 mi15:17:274:01:0110:0310:25
10:25
#23488
40K
24.85 mi15:26:184:09:5210:038:51
10:21
#23404
25.2M
25.20 mi15:30:124:13:4610:043:54
11:19
#23380
Finish
26.22 mi15:40:174:23:5110:0410:05
9:54
#23368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25204103131031323718(Top 84%)9499(Top 78%)9499(Top 524%)
10K6.21 mi3.10 mi24793+41110116+19710116+19724357(Top 86%)9891(Top 81%)9891(Top 546%)
15K9.32 mi3.11 mi24425+3689918+1989918+19823718(Top 84%)9499(Top 78%)9499(Top 524%)
20K12.43 mi3.11 mi24424+19933-159933-1524398(Top 86%)9930(Top 81%)9930(Top 548%)
Half13.11 mi0.68 mi24383+419909+249909+2423732(Top 84%)9555(Top 78%)9555(Top 527%)
25K15.53 mi2.42 mi24233+1509839+709839+7023407(Top 82%)9430(Top 77%)9430(Top 520%)
30K18.64 mi3.11 mi23929+3049691+1489691+14822664(Top 80%)9141(Top 75%)9141(Top 504%)
20M20.00 mi1.36 mi23838+919664+279664+2722605(Top 80%)9209(Top 75%)9209(Top 508%)
21M21.00 mi1.00 mi23804+349660+49660+423221(Top 82%)9614(Top 79%)9614(Top 530%)
35K21.75 mi0.75 mi23717+879621+399621+3921620(Top 76%)8843(Top 72%)8843(Top 488%)
23M23.00 mi1.25 mi23544+1739550+719550+7120963(Top 74%)8540(Top 70%)8540(Top 471%)
24M24.00 mi1.00 mi23488+569531+199531+1922595(Top 80%)9433(Top 77%)9433(Top 520%)
40K24.85 mi0.85 mi23404+849507+249507+2421552(Top 76%)8962(Top 73%)8962(Top 494%)
25.2M25.20 mi0.35 mi23380+249505+29505+221594(Top 76%)8963(Top 73%)8963(Top 494%)
Finish26.22 mi1.02 mi23368+129510-59510-522618(Top 80%)9475(Top 77%)9475(Top 523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23718

Females

9499

F45-49

9499

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24357

Females

9891

F45-49

9891

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23718

Females

9499

F45-49

9499

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24398

Females

9930

F45-49

9930

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23732

Females

9555

F45-49

9555

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23407

Females

9430

F45-49

9430

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22664

Females

9141

F45-49

9141

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22605

Females

9209

F45-49

9209

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23221

Females

9614

F45-49

9614

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21620

Females

8843

F45-49

8843

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20963

Females

8540

F45-49

8540

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22595

Females

9433

F45-49

9433

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21552

Females

8962

F45-49

8962

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21594

Females

8963

F45-49

8963

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22618

Females

9475

F45-49

9475

Passing Analysis

Category:
Athletes Passed
2305
Passed By
469
Net Change
+1836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25204
5K → 10K46453+411#25204#24793
10K → 15K38517+368#24793#24425
15K → 20K133132+1#24425#24424
20K → Half487+41#24424#24383
Half → 25K20353+150#24383#24233
25K → 30K33531+304#24233#23929
30K → 20M12029+91#23929#23838
20M → 21M9056+34#23838#23804
21M → 35K892+87#23804#23717
35K → 23M1818+173#23717#23544
23M → 24M7418+56#23544#23488
24M → 40K9814+84#23488#23404
40K → 25.2M4016+24#23404#23380
25.2M → Finish4533+12#23380#23368
TOTALS2305469+1836
📊

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