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BOSTON MARATHON 2025

Katherine Charters

Bib: 17276•F

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 43%
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
7:02/mi
21:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
43:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:06:04
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:29:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:34:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:53:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:18:42
↑ 181↓ 1480.2%
20M
8:21/mi
2:30:03
↑ 64↓ 500.2%
21M
8:52/mi
2:38:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
2:45:16
↑ 17↓ 861.7%
23M
9:06/mi
2:56:39
↑ 23↓ 630.6%
24M
9:06/mi
3:05:45
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:13:54
↓ 200.3%
25.2M
8:39/mi
3:16:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:25:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0521:517:0221:51
7:02
-
10K
6.21 mi11:34:0743:537:0422:02
7:06
+0:04
15K
9.32 mi11:56:181:06:047:0522:11
7:08
+0:02
20K
12.43 mi12:19:381:29:247:1223:20
7:31
+0:23
Half
13.11 mi12:24:481:34:347:135:10
7:34
+0:03
25K
15.53 mi12:43:331:53:197:1818:45
7:44
+0:10
30K
18.64 mi13:08:562:18:427:2625:23
8:10
+0:26
20M
20.00 mi13:20:172:30:037:3011:21
8:21
+0:11
21M
21.00 mi13:29:092:38:557:348:52
8:52
+0:31
35K
21.75 mi13:35:302:45:167:366:21
8:29
-0:23
23M
23.00 mi13:46:532:56:397:4111:23
9:06
+0:37
24M
24.00 mi13:55:593:05:457:449:06
9:06
0:00
40K
24.85 mi14:04:083:13:547:488:09
9:32
+0:26
25.2M
25.20 mi14:07:073:16:537:492:59
8:39
-0:53
Finish
26.22 mi14:15:213:25:077:508:14
8:05
-0:34

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

7:02 /mi

Average Pace

7:50 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:19

55% of race

Time at Steady Pace

51:19

25% of race

Time at Slower Pace

40:29

20% of race

Average Pace: 7:49 /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 mi11:12:0521:517:0221:51
7:02
#8096
10K
6.21 mi11:34:0743:537:0422:02
7:06
#8375
15K
9.32 mi11:56:181:06:047:0522:11
7:08
#8399
20K
12.43 mi12:19:381:29:247:1223:20
7:31
#8929
Half
13.11 mi12:24:481:34:347:135:10
7:34
#9120
25K
15.53 mi12:43:331:53:197:1818:45
7:44
#9530
30K
18.64 mi13:08:562:18:427:2625:23
8:10
#10063
20M
20.00 mi13:20:172:30:037:3011:21
8:21
#10273
21M
21.00 mi13:29:092:38:557:348:52
8:52
#10413
35K
21.75 mi13:35:302:45:167:366:21
8:29
#10603
23M
23.00 mi13:46:532:56:397:4111:23
9:06
#10988
24M
24.00 mi13:55:593:05:457:449:06
9:06
#11329
40K
24.85 mi14:04:083:13:547:488:09
9:32
#11697
25.2M
25.20 mi14:07:073:16:537:492:59
8:39
#11658
Finish
26.22 mi14:15:213:25:077:508:14
8:05
#11717
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8096101710178649(Top 30%)1288(Top 11%)1288(Top 24%)
10K6.21 mi3.10 mi8375-2791138-1211138-1218632(Top 30%)1234(Top 10%)1234(Top 23%)
15K9.32 mi3.11 mi8399-241157-191157-198649(Top 30%)1288(Top 11%)1288(Top 24%)
20K12.43 mi3.11 mi8929-5301389-2321389-23210867(Top 38%)2406(Top 20%)2406(Top 44%)
Half13.11 mi0.68 mi9120-1911467-781467-7812410(Top 44%)3177(Top 26%)3177(Top 58%)
25K15.53 mi2.42 mi9530-4101695-2281695-22811829(Top 42%)3032(Top 25%)3032(Top 55%)
30K18.64 mi3.11 mi10063-5331985-2901985-29012600(Top 44%)3616(Top 30%)3616(Top 66%)
20M20.00 mi1.36 mi10273-2102129-1442129-14412852(Top 45%)3881(Top 32%)3881(Top 71%)
21M21.00 mi1.00 mi10413-1402246-1172246-11712720(Top 45%)3981(Top 33%)3981(Top 73%)
35K21.75 mi0.75 mi10603-1902359-1132359-11315391(Top 54%)5447(Top 45%)5447(Top 100%)
23M23.00 mi1.25 mi10988-3852612-2532612-25316806(Top 59%)6345(Top 52%)6345(Top 116%)
24M24.00 mi1.00 mi11329-3412829-2172829-21717834(Top 63%)6954(Top 57%)6954(Top 127%)
40K24.85 mi0.85 mi11697-3683046-2173046-21718843(Top 66%)7543(Top 62%)7543(Top 138%)
25.2M25.20 mi0.35 mi11658+393042+43042+49793(Top 34%)2919(Top 24%)2919(Top 53%)
Finish26.22 mi1.02 mi11717-593116-743116-7413458(Top 47%)4666(Top 38%)4666(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8649

Females

1288

F18-39

1288

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8632

Females

1234

F18-39

1234

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8649

Females

1288

F18-39

1288

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10867

Females

2406

F18-39

2406

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12410

Females

3177

F18-39

3177

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11829

Females

3032

F18-39

3032

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12600

Females

3616

F18-39

3616

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12852

Females

3881

F18-39

3881

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12720

Females

3981

F18-39

3981

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15391

Females

5447

F18-39

5447

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16806

Females

6345

F18-39

6345

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17834

Females

6954

F18-39

6954

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18843

Females

7543

F18-39

7543

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9793

Females

2919

F18-39

2919

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13458

Females

4666

F18-39

4666

Passing Analysis

Category:
Athletes Passed
851
Passed By
4469
Net Change
-3621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8096
5K → 10K110389-279#8096#8375
10K → 15K147171-24#8375#8399
15K → 20K58588-530#8399#8929
20K → Half4195-191#8929#9120
Half → 25K74484-410#9120#9530
25K → 30K97628-533#9530#10063
30K → 20M74283-210#10063#10273
20M → 21M73213-140#10273#10413
21M → 35K15205-190#10413#10603
35K → 23M34419-385#10603#10988
23M → 24M27368-341#10988#11329
24M → 40K16384-368#11329#11697
40K → 25.2M5011+39#11697#11658
25.2M → Finish72131-59#11658#11717
TOTALS8514469-3621
📊

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