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BOSTON MARATHON 2025

Sarah Guerrette

Bib: 20028•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:21:53
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:50:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:56:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:18:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:46/mi
2:49:17
↑ 181↓ 1480.2%
20M
10:56/mi
3:04:08
↑ 64↓ 500.2%
21M
9:52/mi
3:14:00
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:21:04
↑ 17↓ 861.7%
23M
9:37/mi
3:33:06
↑ 23↓ 630.6%
24M
9:02/mi
3:42:08
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:49:58
↓ 200.3%
25.2M
9:40/mi
3:53:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
4:02:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:15
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:06:17
Pace9:38 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5926:388:3426:38
8:34
-
10K
6.21 mi11:46:2154:008:4127:22
8:49
+0:15
15K
9.32 mi12:14:141:21:538:4727:53
8:58
+0:09
20K
12.43 mi12:42:311:50:108:5228:17
9:06
+0:08
Half
13.11 mi12:48:361:56:158:526:05
8:55
-0:11
25K
15.53 mi13:11:172:18:568:5722:41
9:21
+0:26
30K
18.64 mi13:41:382:49:179:0530:21
9:46
+0:25
20M
20.00 mi13:56:293:04:089:1214:51
10:56
+1:10
21M
21.00 mi14:06:213:14:009:149:52
9:52
-1:04
35K
21.75 mi14:13:253:21:049:157:04
9:27
-0:25
23M
23.00 mi14:25:273:33:069:1612:02
9:37
+0:10
24M
24.00 mi14:34:293:42:089:159:02
9:02
-0:35
40K
24.85 mi14:42:193:49:589:157:50
9:10
+0:08
25.2M
25.20 mi14:45:393:53:189:153:20
9:40
+0:30
Finish
26.22 mi14:54:534:02:329:159:14
9:04
-0:36

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

8:34 /mi

Average Pace

9:15 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:00

22% of race

Time at Steady Pace

1:51:02

46% of race

Time at Slower Pace

1:17:30

32% of race

Average Pace: 9:15 /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 mi11:18:5926:388:3426:38
8:34
#20322
10K
6.21 mi11:46:2154:008:4127:22
8:49
#20869
15K
9.32 mi12:14:141:21:538:4727:53
8:58
#21179
20K
12.43 mi12:42:311:50:108:5228:17
9:06
#21243
Half
13.11 mi12:48:361:56:158:526:05
8:55
#21265
25K
15.53 mi13:11:172:18:568:5722:41
9:21
#21311
30K
18.64 mi13:41:382:49:179:0530:21
9:46
#21254
20M
20.00 mi13:56:293:04:089:1214:51
10:56
#21494
21M
21.00 mi14:06:213:14:009:149:52
9:52
#21287
35K
21.75 mi14:13:253:21:049:157:04
9:27
#21231
23M
23.00 mi14:25:273:33:069:1612:02
9:37
#21083
24M
24.00 mi14:34:293:42:089:159:02
9:02
#20954
40K
24.85 mi14:42:193:49:589:157:50
9:10
#20831
25.2M
25.20 mi14:45:393:53:189:153:20
9:40
#20753
Finish
26.22 mi14:54:534:02:329:159:14
9:04
#20712
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi203227693769321928(Top 77%)8507(Top 70%)8507(Top 495%)
10K6.21 mi3.10 mi20869-5477982-2897982-28921444(Top 75%)8274(Top 68%)8274(Top 482%)
15K9.32 mi3.11 mi21179-3108137-1558137-15521928(Top 77%)8507(Top 70%)8507(Top 495%)
20K12.43 mi3.11 mi21243-648166-298166-2921462(Top 76%)8295(Top 68%)8295(Top 483%)
Half13.11 mi0.68 mi21265-228180-148180-1421493(Top 76%)8304(Top 68%)8304(Top 483%)
25K15.53 mi2.42 mi21311-468218-388218-3821386(Top 75%)8298(Top 68%)8298(Top 483%)
30K18.64 mi3.11 mi21254+578220-28220-220891(Top 74%)8169(Top 67%)8169(Top 475%)
20M20.00 mi1.36 mi21494-2408364-1448364-14423456(Top 83%)9654(Top 79%)9654(Top 562%)
21M21.00 mi1.00 mi21287+2078274+908274+9017804(Top 63%)6701(Top 55%)6701(Top 390%)
35K21.75 mi0.75 mi21231+568260+148260+1420161(Top 71%)8064(Top 66%)8064(Top 469%)
23M23.00 mi1.25 mi21083+1488207+538207+5319137(Top 67%)7581(Top 62%)7581(Top 441%)
24M24.00 mi1.00 mi20954+1298153+548153+5417572(Top 62%)6808(Top 56%)6808(Top 396%)
40K24.85 mi0.85 mi20831+1238106+478106+4717215(Top 61%)6710(Top 55%)6710(Top 391%)
25.2M25.20 mi0.35 mi20753+788075+318075+3115558(Top 55%)5882(Top 48%)5882(Top 342%)
Finish26.22 mi1.02 mi20712+418061+148061+1419363(Top 68%)7795(Top 64%)7795(Top 454%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21928

Females

8507

F40-44

8507

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21444

Females

8274

F40-44

8274

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21928

Females

8507

F40-44

8507

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21462

Females

8295

F40-44

8295

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21493

Females

8304

F40-44

8304

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21386

Females

8298

F40-44

8298

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

20891

Females

8169

F40-44

8169

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23456

Females

9654

F40-44

9654

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17804

Females

6701

F40-44

6701

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20161

Females

8064

F40-44

8064

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19137

Females

7581

F40-44

7581

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17572

Females

6808

F40-44

6808

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17215

Females

6710

F40-44

6710

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15558

Females

5882

F40-44

5882

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19363

Females

7795

F40-44

7795

Passing Analysis

Category:
Athletes Passed
1685
Passed By
2075
Net Change
-390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20322
5K → 10K106653-547#20322#20869
10K → 15K102412-310#20869#21179
15K → 20K177241-64#21179#21243
20K → Half2547-22#21243#21265
Half → 25K137183-46#21265#21311
25K → 30K222165+57#21311#21254
30K → 20M40280-240#21254#21494
20M → 21M2147+207#21494#21287
21M → 35K8125+56#21287#21231
35K → 23M17022+148#21231#21083
23M → 24M1367+129#21083#20954
24M → 40K1329+123#20954#20831
40K → 25.2M802+78#20831#20753
25.2M → Finish6322+41#20753#20712
TOTALS16852075-390
📊

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