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BOSTON MARATHON 2025

Cassandra Ruddock

Bib: 16393•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #13770
Start → 5K
7:41/mi
23:51 split
10K· 6.21 mi
47:24
Rank: #13302 (+468)
5K → 10K
7:35/mi
23:33 split
15K· 9.32 mi
1:10:41
Rank: #12726 (+576)
10K → 15K
7:30/mi
23:17 split
20K· 12.43 mi
1:33:59
Rank: #12191 (+535)
15K → 20K
7:30/mi
23:18 split
Half· 13.11 mi
1:39:03
Rank: #12132 (+59)
20K → Half
7:26/mi
5:04 split
25K· 15.53 mi
1:57:32
Rank: #11893 (+239)
Half → 25K
7:37/mi
18:29 split
30K· 18.64 mi
2:22:24
Rank: #11732 (+161)
25K → 30K
8:00/mi
24:52 split
20M
2:33:33
Rank: #11712 (+20)
30K → 20M
8:12/mi
11:09 split
21M
2:42:22
Rank: #11748 (-36)
20M → 21M
8:49/mi
8:49 split
35K· 21.75 mi
2:48:25
Rank: #11780 (-32)
21M → 35K
8:05/mi
6:03 split
23M
2:59:00
Rank: #11829 (-49)
35K → 23M
8:27/mi
10:35 split
24M
3:07:19
Rank: #11887 (-58)
23M → 24M
8:19/mi
8:19 split
40K· 24.85 mi
3:14:29
Rank: #11899 (-12)
24M → 40K
8:23/mi
7:10 split
25.2M
3:17:35
Rank: #11896 (+3)
40K → 25.2M
8:59/mi
3:06 split
Finish· 26.22 mi
3:25:51
Rank: #11937 (-41)
25.2M → Finish
8:07/mi
8:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:03
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:2523:517:4123:51
7:41
-
10K
6.21 mi11:21:5847:247:3823:33
7:35
-0:06
15K
9.32 mi11:45:151:10:417:3523:17
7:30
-0:05
20K
12.43 mi12:08:331:33:597:3423:18
7:30
0:00
Half
13.11 mi12:13:371:39:037:335:04
7:26
-0:04
25K
15.53 mi12:32:061:57:327:3418:29
7:37
+0:11
30K
18.64 mi12:56:582:22:247:3824:52
8:00
+0:23
20M
20.00 mi13:08:072:33:337:4111:09
8:12
+0:12
21M
21.00 mi13:16:562:42:227:448:49
8:49
+0:37
35K
21.75 mi13:22:592:48:257:456:03
8:05
-0:44
23M
23.00 mi13:33:342:59:007:4710:35
8:27
+0:22
24M
24.00 mi13:41:533:07:197:488:19
8:19
-0:08
40K
24.85 mi13:49:033:14:297:497:10
8:23
+0:04
25.2M
25.20 mi13:52:093:17:357:503:06
8:59
+0:36
Finish
26.22 mi14:00:253:25:517:518:16
8:07
-0:52

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

7:51 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:32

57% of race

Time at Steady Pace

58:39

28% of race

Time at Slower Pace

29:40

14% of race

Average Pace: 7:51 /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 mi10:58:2523:517:4123:51
7:41
#13770
10K
6.21 mi11:21:5847:247:3823:33
7:35
#13302
15K
9.32 mi11:45:151:10:417:3523:17
7:30
#12726
20K
12.43 mi12:08:331:33:597:3423:18
7:30
#12191
Half
13.11 mi12:13:371:39:037:335:04
7:26
#12132
25K
15.53 mi12:32:061:57:327:3418:29
7:37
#11893
30K
18.64 mi12:56:582:22:247:3824:52
8:00
#11732
20M
20.00 mi13:08:072:33:337:4111:09
8:12
#11712
21M
21.00 mi13:16:562:42:227:448:49
8:49
#11748
35K
21.75 mi13:22:592:48:257:456:03
8:05
#11780
23M
23.00 mi13:33:342:59:007:4710:35
8:27
#11829
24M
24.00 mi13:41:533:07:197:488:19
8:19
#11887
40K
24.85 mi13:49:033:14:297:497:10
8:23
#11899
25.2M
25.20 mi13:52:093:17:357:503:06
8:59
#11896
Finish
26.22 mi14:00:253:25:517:518:16
8:07
#11937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137703755375511746(Top 41%)2767(Top 23%)2767(Top 51%)
10K6.21 mi3.10 mi13302+4683529+2263529+22612856(Top 45%)3287(Top 27%)3287(Top 60%)
15K9.32 mi3.11 mi12726+5763222+3073222+30711746(Top 41%)2767(Top 23%)2767(Top 51%)
20K12.43 mi3.11 mi12191+5352974+2482974+24810791(Top 38%)2369(Top 19%)2369(Top 43%)
Half13.11 mi0.68 mi12132+592952+222952+2211195(Top 39%)2536(Top 21%)2536(Top 46%)
25K15.53 mi2.42 mi11893+2392868+842868+8410966(Top 39%)2571(Top 21%)2571(Top 47%)
30K18.64 mi3.11 mi11732+1612861+72861+711420(Top 40%)2990(Top 24%)2990(Top 55%)
20M20.00 mi1.36 mi11712+202881-202881-2011853(Top 42%)3371(Top 28%)3371(Top 62%)
21M21.00 mi1.00 mi11748-362934-532934-5312420(Top 44%)3813(Top 31%)3813(Top 70%)
35K21.75 mi0.75 mi11780-322974-402974-4012850(Top 45%)4069(Top 33%)4069(Top 74%)
23M23.00 mi1.25 mi11829-493046-723046-7213018(Top 46%)4275(Top 35%)4275(Top 78%)
24M24.00 mi1.00 mi11887-583112-663112-6613377(Top 47%)4498(Top 37%)4498(Top 82%)
40K24.85 mi0.85 mi11899-123160-483160-4812701(Top 45%)4275(Top 35%)4275(Top 78%)
25.2M25.20 mi0.35 mi11896+33170-103170-1011789(Top 42%)3865(Top 32%)3865(Top 71%)
Finish26.22 mi1.02 mi11937-413221-513221-5113684(Top 48%)4782(Top 39%)4782(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11746

Females

2767

F18-39

2767

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12856

Females

3287

F18-39

3287

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11746

Females

2767

F18-39

2767

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10791

Females

2369

F18-39

2369

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11195

Females

2536

F18-39

2536

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10966

Females

2571

F18-39

2571

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11420

Females

2990

F18-39

2990

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11853

Females

3371

F18-39

3371

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12420

Females

3813

F18-39

3813

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12850

Females

4069

F18-39

4069

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13018

Females

4275

F18-39

4275

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13377

Females

4498

F18-39

4498

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12701

Females

4275

F18-39

4275

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11789

Females

3865

F18-39

3865

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13684

Females

4782

F18-39

4782

Passing Analysis

Category:
Athletes Passed
2979
Passed By
1146
Net Change
+1833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13770
5K → 10K569101+468#13770#13302
10K → 15K61236+576#13302#12726
15K → 20K54712+535#12726#12191
20K → Half7011+59#12191#12132
Half → 25K28748+239#12132#11893
25K → 30K299138+161#11893#11732
30K → 20M123103+20#11732#11712
20M → 21M86122-36#11712#11748
21M → 35K4981-32#11748#11780
35K → 23M101150-49#11780#11829
23M → 24M58116-58#11829#11887
24M → 40K8496-12#11887#11899
40K → 25.2M3532+3#11899#11896
25.2M → Finish59100-41#11896#11937
TOTALS29791146+1833
📊

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