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BOSTON MARATHON 2025

Sarah Feiss

Bib: 21800•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
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
26:04
Rank: #19261
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
52:25
Rank: #19460 (-199)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:18:43
Rank: #19333 (+127)
10K → 15K
26:18 | 8:28/mi
20K· 12.43 mi
1:45:01
Rank: #18958 (+375)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:50:46
Rank: #18956 (+2)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:11:35
Rank: #18737 (+219)
Half → 25K
20:49 | 8:35/mi
30K· 18.64 mi
2:39:32
Rank: #18498 (+239)
25K → 30K
27:57 | 9:00/mi
20M
2:51:49
Rank: #18382 (+116)
30K → 20M
12:17 | 9:02/mi
21M
3:01:54
Rank: #18373 (+9)
20M → 21M
10:05 | 10:05/mi
35K· 21.75 mi
3:08:25
Rank: #18310 (+63)
21M → 35K
6:31 | 8:43/mi
23M
3:19:45
Rank: #18201 (+109)
35K → 23M
11:20 | 9:03/mi
24M
3:28:44
Rank: #18140 (+61)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:36:24
Rank: #18053 (+87)
24M → 40K
7:40 | 8:58/mi
25.2M
3:40:31
Rank: #18203 (-150)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
3:49:17
Rank: #18155 (+48)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:46
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2326:048:2326:04
8:23
-
10K
6.21 mi11:47:4452:258:2626:21
8:29
+0:06
15K
9.32 mi12:14:021:18:438:2726:18
8:28
-0:01
20K
12.43 mi12:40:201:45:018:2726:18
8:28
0:00
Half
13.11 mi12:46:051:50:468:275:45
8:26
-0:02
25K
15.53 mi13:06:542:11:358:2820:49
8:35
+0:09
30K
18.64 mi13:34:512:39:328:3327:57
9:00
+0:25
20M
20.00 mi13:47:082:51:498:3512:17
9:02
+0:02
21M
21.00 mi13:57:133:01:548:4010:05
10:05
+1:03
35K
21.75 mi14:03:443:08:258:406:31
8:43
-1:22
23M
23.00 mi14:15:043:19:458:4111:20
9:03
+0:20
24M
24.00 mi14:24:033:28:448:428:59
8:59
-0:04
40K
24.85 mi14:31:433:36:248:427:40
8:58
-0:01
25.2M
25.20 mi14:35:503:40:318:454:07
11:56
+2:58
Finish
26.22 mi14:44:363:49:178:458:46
8:36
-3:20

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

8:23 /mi

Average Pace

8:45 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:35:05

94% of race

Time at Slower Pace

14:12

6% of race

Average Pace: 8:45 /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 mi11:21:2326:048:2326:04
8:23
#19261
10K
6.21 mi11:47:4452:258:2626:21
8:29
#19460
15K
9.32 mi12:14:021:18:438:2726:18
8:28
#19333
20K
12.43 mi12:40:201:45:018:2726:18
8:28
#18958
Half
13.11 mi12:46:051:50:468:275:45
8:26
#18956
25K
15.53 mi13:06:542:11:358:2820:49
8:35
#18737
30K
18.64 mi13:34:512:39:328:3327:57
9:00
#18498
20M
20.00 mi13:47:082:51:498:3512:17
9:02
#18382
21M
21.00 mi13:57:133:01:548:4010:05
10:05
#18373
35K
21.75 mi14:03:443:08:258:406:31
8:43
#18310
23M
23.00 mi14:15:043:19:458:4111:20
9:03
#18201
24M
24.00 mi14:24:033:28:448:428:59
8:59
#18140
40K
24.85 mi14:31:433:36:248:427:40
8:58
#18053
25.2M
25.20 mi14:35:503:40:318:454:07
11:56
#18203
Finish
26.22 mi14:44:363:49:178:458:46
8:36
#18155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi192617059705919133(Top 67%)6970(Top 57%)6970(Top 384%)
10K6.21 mi3.10 mi19460-1997159-1007159-10019696(Top 69%)7300(Top 60%)7300(Top 403%)
15K9.32 mi3.11 mi19333+1277080+797080+7919133(Top 67%)6970(Top 57%)6970(Top 384%)
20K12.43 mi3.11 mi18958+3756878+2026878+20218003(Top 63%)6343(Top 52%)6343(Top 350%)
Half13.11 mi0.68 mi18956+26884-66884-618779(Top 66%)6773(Top 55%)6773(Top 374%)
25K15.53 mi2.42 mi18737+2196764+1206764+12017741(Top 62%)6277(Top 51%)6277(Top 346%)
30K18.64 mi3.11 mi18498+2396660+1046660+10417681(Top 62%)6406(Top 52%)6406(Top 353%)
20M20.00 mi1.36 mi18382+1166630+306630+3017032(Top 60%)6154(Top 50%)6154(Top 339%)
21M21.00 mi1.00 mi18373+96651-216651-2118626(Top 66%)7139(Top 58%)7139(Top 394%)
35K21.75 mi0.75 mi18310+636631+206631+2016796(Top 59%)6220(Top 51%)6220(Top 343%)
23M23.00 mi1.25 mi18201+1096601+306601+3016574(Top 58%)6215(Top 51%)6215(Top 343%)
24M24.00 mi1.00 mi18140+616596+56596+517303(Top 61%)6651(Top 54%)6651(Top 367%)
40K24.85 mi0.85 mi18053+876572+246572+2416148(Top 57%)6129(Top 50%)6129(Top 338%)
25.2M25.20 mi0.35 mi18203-1506668-966668-9623108(Top 81%)9706(Top 79%)9706(Top 535%)
Finish26.22 mi1.02 mi18155+486655+136655+1316884(Top 59%)6506(Top 53%)6506(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19133

Females

6970

F45-49

6970

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19696

Females

7300

F45-49

7300

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19133

Females

6970

F45-49

6970

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

18003

Females

6343

F45-49

6343

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18779

Females

6773

F45-49

6773

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17741

Females

6277

F45-49

6277

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17681

Females

6406

F45-49

6406

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17032

Females

6154

F45-49

6154

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18626

Females

7139

F45-49

7139

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16796

Females

6220

F45-49

6220

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16574

Females

6215

F45-49

6215

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17303

Females

6651

F45-49

6651

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16148

Females

6129

F45-49

6129

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23108

Females

9706

F45-49

9706

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16884

Females

6506

F45-49

6506

Passing Analysis

Category:
Athletes Passed
2333
Passed By
1227
Net Change
+1106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19261
5K → 10K165364-199#19261#19460
10K → 15K266139+127#19460#19333
15K → 20K41540+375#19333#18958
20K → Half3028+2#18958#18956
Half → 25K27253+219#18956#18737
25K → 30K356117+239#18737#18498
30K → 20M16953+116#18498#18382
20M → 21M10899+9#18382#18373
21M → 35K9128+63#18373#18310
35K → 23M15445+109#18310#18201
23M → 24M10140+61#18201#18140
24M → 40K11326+87#18140#18053
40K → 25.2M3153-150#18053#18203
25.2M → Finish9042+48#18203#18155
TOTALS23331227+1106
📊

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