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BOSTON MARATHON 2025

Katie Gauthier

Bib: 31605•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
9:01/mi
28:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
54:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:20:36
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:47:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:52:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:13:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:42:28
↑ 181↓ 1480.2%
20M
9:21/mi
2:55:10
↑ 64↓ 500.2%
21M
10:01/mi
3:05:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:12:02
↑ 17↓ 861.7%
23M
9:20/mi
3:23:43
↑ 23↓ 630.6%
24M
9:03/mi
3:32:46
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:40:35
↓ 200.3%
25.2M
9:14/mi
3:43:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:51:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:47
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:58:34
Pace9:03 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5928:019:0128:01
9:01
-
10K
6.21 mi12:14:3754:398:4826:38
8:34
-0:27
15K
9.32 mi12:40:341:20:368:3925:57
8:21
-0:13
20K
12.43 mi13:06:591:47:018:3726:25
8:30
+0:09
Half
13.11 mi13:12:451:52:478:365:46
8:27
-0:03
25K
15.53 mi13:33:572:13:598:3821:12
8:45
+0:18
30K
18.64 mi14:02:262:42:288:4328:29
9:10
+0:25
20M
20.00 mi14:15:082:55:108:4512:42
9:21
+0:11
21M
21.00 mi14:25:093:05:118:4910:01
10:01
+0:40
35K
21.75 mi14:32:003:12:028:506:51
9:09
-0:52
23M
23.00 mi14:43:413:23:438:5111:41
9:20
+0:11
24M
24.00 mi14:52:443:32:468:529:03
9:03
-0:17
40K
24.85 mi15:00:333:40:358:527:49
9:09
+0:06
25.2M
25.20 mi15:03:443:43:468:533:11
9:14
+0:05
Finish
26.22 mi15:11:193:51:218:507:35
7:26
-1:48

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

7:26 /mi

Average Pace

8:50 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:33

49% of race

Time at Steady Pace

1:35:05

41% of race

Time at Slower Pace

22:43

10% of race

Average Pace: 8:49 /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 mi11:47:5928:019:0128:01
9:01
#22486
10K
6.21 mi12:14:3754:398:4826:38
8:34
#21423
15K
9.32 mi12:40:341:20:368:3925:57
8:21
#20469
20K
12.43 mi13:06:591:47:018:3726:25
8:30
#19933
Half
13.11 mi13:12:451:52:478:365:46
8:27
#19887
25K
15.53 mi13:33:572:13:598:3821:12
8:45
#19656
30K
18.64 mi14:02:262:42:288:4328:29
9:10
#19399
20M
20.00 mi14:15:082:55:108:4512:42
9:21
#19341
21M
21.00 mi14:25:093:05:118:4910:01
10:01
#19280
35K
21.75 mi14:32:003:12:028:506:51
9:09
#19272
23M
23.00 mi14:43:413:23:438:5111:41
9:20
#19187
24M
24.00 mi14:52:443:32:468:529:03
9:03
#19116
40K
24.85 mi15:00:333:40:358:527:49
9:09
#19012
25.2M
25.20 mi15:03:443:43:468:533:11
9:14
#18932
Finish
26.22 mi15:11:193:51:218:507:35
7:26
#18612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224868894889418407(Top 65%)6561(Top 54%)6561(Top 120%)
10K6.21 mi3.10 mi21423+10638286+6088286+60820217(Top 71%)7589(Top 62%)7589(Top 139%)
15K9.32 mi3.11 mi20469+9547733+5537733+55318407(Top 65%)6561(Top 54%)6561(Top 120%)
20K12.43 mi3.11 mi19933+5367434+2997434+29918278(Top 64%)6494(Top 53%)6494(Top 119%)
Half13.11 mi0.68 mi19887+467407+277407+2718939(Top 67%)6862(Top 56%)6862(Top 125%)
25K15.53 mi2.42 mi19656+2317291+1167291+11618648(Top 66%)6781(Top 55%)6781(Top 124%)
30K18.64 mi3.11 mi19399+2577188+1037188+10318495(Top 65%)6833(Top 56%)6833(Top 125%)
20M20.00 mi1.36 mi19341+587177+117177+1118522(Top 65%)7015(Top 57%)7015(Top 128%)
21M21.00 mi1.00 mi19280+617162+157162+1518375(Top 65%)6993(Top 57%)6993(Top 128%)
35K21.75 mi0.75 mi19272+87170-87170-819005(Top 67%)7456(Top 61%)7456(Top 136%)
23M23.00 mi1.25 mi19187+857154+167154+1617945(Top 63%)6960(Top 57%)6960(Top 127%)
24M24.00 mi1.00 mi19116+717131+237131+2317633(Top 62%)6838(Top 56%)6838(Top 125%)
40K24.85 mi0.85 mi19012+1047106+257106+2517112(Top 60%)6643(Top 54%)6643(Top 121%)
25.2M25.20 mi0.35 mi18932+807068+387068+3813227(Top 47%)4646(Top 38%)4646(Top 85%)
Finish26.22 mi1.02 mi18612+3206909+1596909+1598833(Top 31%)2471(Top 20%)2471(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18407

Females

6561

F18-39

6561

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20217

Females

7589

F18-39

7589

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18407

Females

6561

F18-39

6561

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18278

Females

6494

F18-39

6494

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18939

Females

6862

F18-39

6862

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18648

Females

6781

F18-39

6781

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18495

Females

6833

F18-39

6833

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18522

Females

7015

F18-39

7015

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18375

Females

6993

F18-39

6993

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19005

Females

7456

F18-39

7456

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17945

Females

6960

F18-39

6960

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17633

Females

6838

F18-39

6838

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17112

Females

6643

F18-39

6643

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13227

Females

4646

F18-39

4646

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8833

Females

2471

F18-39

2471

Passing Analysis

Category:
Athletes Passed
4354
Passed By
480
Net Change
+3874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22486
5K → 10K108219+1063#22486#21423
10K → 15K9639+954#21423#20469
15K → 20K55115+536#20469#19933
20K → Half559+46#19933#19887
Half → 25K28453+231#19887#19656
25K → 30K34992+257#19656#19399
30K → 20M12870+58#19399#19341
20M → 21M13069+61#19341#19280
21M → 35K5648+8#19280#19272
35K → 23M13045+85#19272#19187
23M → 24M10029+71#19187#19116
24M → 40K12521+104#19116#19012
40K → 25.2M811+80#19012#18932
25.2M → Finish3200+320#18932#18612
TOTALS4354480+3874
📊

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