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BOSTON MARATHON 2025

Sandra Burke

Bib: 30364•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

Start
0:00:00
Race begins
5K· 3.11 mi
34:52
Rank: #27780
Start → 5K
11:13/mi
34:52 split
10K· 6.21 mi
1:09:34
Rank: #27536 (+244)
5K → 10K
11:10/mi
34:42 split
15K· 9.32 mi
1:44:01
Rank: #27266 (+270)
10K → 15K
11:05/mi
34:27 split
20K· 12.43 mi
2:22:38
Rank: #27359 (-93)
15K → 20K
12:26/mi
38:37 split
Half· 13.11 mi
2:30:20
Rank: #27329 (+30)
20K → Half
11:17/mi
7:42 split
25K· 15.53 mi
2:59:33
Rank: #27166 (+163)
Half → 25K
12:03/mi
29:13 split
30K· 18.64 mi
3:39:35
Rank: #27087 (+79)
25K → 30K
12:53/mi
40:02 split
20M
3:58:26
Rank: #27105 (-18)
30K → 20M
13:52/mi
18:51 split
21M
4:11:13
Rank: #27033 (+72)
20M → 21M
12:47/mi
12:47 split
35K· 21.75 mi
4:20:04
Rank: #27015 (+18)
21M → 35K
11:50/mi
8:51 split
23M
4:34:19
Rank: #26899 (+116)
35K → 23M
11:23/mi
14:15 split
24M
4:45:56
Rank: #26829 (+70)
23M → 24M
11:37/mi
11:37 split
40K· 24.85 mi
4:55:52
Rank: #26762 (+67)
24M → 40K
11:37/mi
9:56 split
25.2M
5:00:29
Rank: #26746 (+16)
40K → 25.2M
13:23/mi
4:37 split
Finish· 26.22 mi
5:11:25
Rank: #26710 (+36)
25.2M → Finish
10:44/mi
10:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:20
Pace11:28 /mi
2nd Half
Distance13.11 mi
Time2:41:05
Pace12:17 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5534:5211:1334:52
11:13
-
10K
6.21 mi12:30:371:09:3411:1234:42
11:10
-0:03
15K
9.32 mi13:05:041:44:0111:1034:27
11:05
-0:05
20K
12.43 mi13:43:412:22:3811:2938:37
12:26
+1:21
Half
13.11 mi13:51:232:30:2011:287:42
11:17
-1:09
25K
15.53 mi14:20:362:59:3311:3329:13
12:03
+0:46
30K
18.64 mi15:00:383:39:3511:4740:02
12:53
+0:50
20M
20.00 mi15:19:293:58:2611:5518:51
13:52
+0:59
21M
21.00 mi15:32:164:11:1311:5812:47
12:47
-1:05
35K
21.75 mi15:41:074:20:0411:578:51
11:50
-0:57
23M
23.00 mi15:55:224:34:1911:5614:15
11:23
-0:27
24M
24.00 mi16:06:594:45:5611:5511:37
11:37
+0:14
40K
24.85 mi16:16:554:55:5211:549:56
11:37
0:00
25.2M
25.20 mi16:21:325:00:2911:554:37
13:23
+1:46
Finish
26.22 mi16:32:285:11:2511:5310:56
10:44
-2:39

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

10:44 /mi

Average Pace

11:53 /mi

Slowest Pace

13:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:05

26% of race

Time at Steady Pace

1:56:26

37% of race

Time at Slower Pace

1:54:54

37% of race

Average Pace: 11:53 /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 mi11:55:5534:5211:1334:52
11:13
#27780
10K
6.21 mi12:30:371:09:3411:1234:42
11:10
#27536
15K
9.32 mi13:05:041:44:0111:1034:27
11:05
#27266
20K
12.43 mi13:43:412:22:3811:2938:37
12:26
#27359
Half
13.11 mi13:51:232:30:2011:287:42
11:17
#27329
25K
15.53 mi14:20:362:59:3311:3329:13
12:03
#27166
30K
18.64 mi15:00:383:39:3511:4740:02
12:53
#27087
20M
20.00 mi15:19:293:58:2611:5518:51
13:52
#27105
21M
21.00 mi15:32:164:11:1311:5812:47
12:47
#27033
35K
21.75 mi15:41:074:20:0411:578:51
11:50
#27015
23M
23.00 mi15:55:224:34:1911:5614:15
11:23
#26899
24M
24.00 mi16:06:594:45:5611:5511:37
11:37
#26829
40K
24.85 mi16:16:554:55:5211:549:56
11:37
#26762
25.2M
25.20 mi16:21:325:00:2911:554:37
13:23
#26746
Finish
26.22 mi16:32:285:11:2511:5310:56
10:44
#26710
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 mi27780118141181426780(Top 94%)11245(Top 92%)11245(Top 206%)
10K6.21 mi3.10 mi27536+24411661+15311661+15327269(Top 96%)11527(Top 94%)11527(Top 211%)
15K9.32 mi3.11 mi27266+27011507+15411507+15426780(Top 94%)11245(Top 92%)11245(Top 206%)
20K12.43 mi3.11 mi27359-9311573-6611573-6627466(Top 97%)11682(Top 96%)11682(Top 214%)
Half13.11 mi0.68 mi27329+3011560+1311560+1326842(Top 95%)11325(Top 93%)11325(Top 207%)
25K15.53 mi2.42 mi27166+16311475+8511475+8526480(Top 93%)11129(Top 91%)11129(Top 203%)
30K18.64 mi3.11 mi27087+7911448+2711448+2726563(Top 94%)11259(Top 92%)11259(Top 206%)
20M20.00 mi1.36 mi27105-1811469-2111469-2127187(Top 96%)11656(Top 95%)11656(Top 213%)
21M21.00 mi1.00 mi27033+7211435+3411435+3424764(Top 87%)10448(Top 85%)10448(Top 191%)
35K21.75 mi0.75 mi27015+1811425+1011425+1025599(Top 90%)10904(Top 89%)10904(Top 199%)
23M23.00 mi1.25 mi26899+11611358+6711358+6724039(Top 85%)10123(Top 83%)10123(Top 185%)
24M24.00 mi1.00 mi26829+7011340+1811340+1825078(Top 88%)10669(Top 87%)10669(Top 195%)
40K24.85 mi0.85 mi26762+6711310+3011310+3024344(Top 86%)10350(Top 85%)10350(Top 189%)
25.2M25.20 mi0.35 mi26746+1611309+111309+125509(Top 90%)10956(Top 90%)10956(Top 200%)
Finish26.22 mi1.02 mi26710+3611292+1711292+1724785(Top 87%)10559(Top 86%)10559(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26780

Females

11245

F18-39

11245

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27269

Females

11527

F18-39

11527

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26780

Females

11245

F18-39

11245

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27466

Females

11682

F18-39

11682

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

26842

Females

11325

F18-39

11325

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26480

Females

11129

F18-39

11129

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26563

Females

11259

F18-39

11259

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27187

Females

11656

F18-39

11656

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24764

Females

10448

F18-39

10448

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25599

Females

10904

F18-39

10904

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24039

Females

10123

F18-39

10123

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25078

Females

10669

F18-39

10669

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24344

Females

10350

F18-39

10350

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25509

Females

10956

F18-39

10956

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24785

Females

10559

F18-39

10559

Passing Analysis

Category:
Athletes Passed
1389
Passed By
319
Net Change
+1070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27780
5K → 10K26521+244#27780#27536
10K → 15K2799+270#27536#27266
15K → 20K62155-93#27266#27359
20K → Half377+30#27359#27329
Half → 25K18017+163#27329#27166
25K → 30K11435+79#27166#27087
30K → 20M2745-18#27087#27105
20M → 21M764+72#27105#27033
21M → 35K279+18#27033#27015
35K → 23M1171+116#27015#26899
23M → 24M755+70#26899#26829
24M → 40K681+67#26829#26762
40K → 25.2M204+16#26762#26746
25.2M → Finish426+36#26746#26710
TOTALS1389319+1070
📊

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