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BOSTON MARATHON 2023

Stephanie Burnham

Bib: 25835•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:53
Rank: #22438
Start → 5K
29:53 | 9:37/mi
10K· 6.21 mi
59:49
Rank: #22685 (-247)
5K → 10K
29:56 | 9:38/mi
15K· 9.32 mi
1:29:50
Rank: #22688 (-3)
10K → 15K
30:01 | 9:40/mi
20K· 12.43 mi
1:59:44
Rank: #22507 (+181)
15K → 20K
29:54 | 9:37/mi
Half· 13.11 mi
2:06:19
Rank: #22511 (-4)
20K → Half
6:35 | 9:39/mi
25K· 15.53 mi
2:30:23
Rank: #22430 (+81)
Half → 25K
24:04 | 9:56/mi
30K· 18.64 mi
3:03:18
Rank: #22406 (+24)
25K → 30K
32:55 | 10:36/mi
20M
3:19:17
Rank: #22556 (-150)
30K → 20M
15:59 | 11:46/mi
21M
3:31:03
Rank: #22550 (+6)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:39:25
Rank: #22580 (-30)
21M → 35K
8:22 | 11:11/mi
23M
3:54:39
Rank: #22711 (-131)
35K → 23M
15:14 | 12:10/mi
24M
4:06:28
Rank: #22794 (-83)
23M → 24M
11:49 | 11:49/mi
40K· 24.85 mi
4:17:18
Rank: #22890 (-96)
24M → 40K
10:50 | 12:40/mi
25.2M
4:22:07
Rank: #22934 (-44)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
4:35:16
Rank: #23149 (-215)
25.2M → Finish
13:09 | 12:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:19
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:28:57
Pace11:22 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2929:539:3729:53
9:37
-
10K
6.21 mi12:15:2559:499:3829:56
9:38
+0:01
15K
9.32 mi12:45:261:29:509:3830:01
9:40
+0:02
20K
12.43 mi13:15:201:59:449:3829:54
9:37
-0:03
Half
13.11 mi13:21:552:06:199:386:35
9:39
+0:02
25K
15.53 mi13:45:592:30:239:4124:04
9:56
+0:17
30K
18.64 mi14:18:543:03:189:5032:55
10:36
+0:40
20M
20.00 mi14:34:533:19:179:5815:59
11:46
+1:10
21M
21.00 mi14:46:393:31:0310:0311:46
11:46
0:00
35K
21.75 mi14:55:013:39:2510:058:22
11:11
-0:35
23M
23.00 mi15:10:153:54:3910:1215:14
12:10
+0:59
24M
24.00 mi15:22:044:06:2810:1611:49
11:49
-0:21
40K
24.85 mi15:32:544:17:1810:2110:50
12:40
+0:51
25.2M
25.20 mi15:37:434:22:0710:244:49
13:58
+1:18
Finish
26.22 mi15:50:524:35:1610:3013:09
12:54
-1:04

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

9:37 /mi

Average Pace

10:30 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:23

55% of race

Time at Steady Pace

1:20:51

29% of race

Time at Slower Pace

44:02

16% of race

Average Pace: 10:30 /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 mi11:45:2929:539:3729:53
9:37
#22438
10K
6.21 mi12:15:2559:499:3829:56
9:38
#22685
15K
9.32 mi12:45:261:29:509:3830:01
9:40
#22688
20K
12.43 mi13:15:201:59:449:3829:54
9:37
#22507
Half
13.11 mi13:21:552:06:199:386:35
9:39
#22511
25K
15.53 mi13:45:592:30:239:4124:04
9:56
#22430
30K
18.64 mi14:18:543:03:189:5032:55
10:36
#22406
20M
20.00 mi14:34:533:19:179:5815:59
11:46
#22556
21M
21.00 mi14:46:393:31:0310:0311:46
11:46
#22550
35K
21.75 mi14:55:013:39:2510:058:22
11:11
#22580
23M
23.00 mi15:10:153:54:3910:1215:14
12:10
#22711
24M
24.00 mi15:22:044:06:2810:1611:49
11:49
#22794
40K
24.85 mi15:32:544:17:1810:2110:50
12:40
#22890
25.2M
25.20 mi15:37:434:22:0710:244:49
13:58
#22934
Finish
26.22 mi15:50:524:35:1610:3013:09
12:54
#23149
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 mi224389103910322710(Top 85%)9193(Top 80%)9193(Top 188%)
10K6.21 mi3.10 mi22685-2479191-889191-8822895(Top 86%)9285(Top 81%)9285(Top 190%)
15K9.32 mi3.11 mi22688-39181+109181+1022710(Top 85%)9193(Top 80%)9193(Top 188%)
20K12.43 mi3.11 mi22507+1819093+889093+8821941(Top 82%)8768(Top 77%)8768(Top 180%)
Half13.11 mi0.68 mi22511-49100-79100-722547(Top 85%)9110(Top 80%)9110(Top 187%)
25K15.53 mi2.42 mi22430+819071+299071+2922062(Top 83%)8872(Top 78%)8872(Top 182%)
30K18.64 mi3.11 mi22406+249066+59066+522405(Top 84%)9129(Top 80%)9129(Top 187%)
20M20.00 mi1.36 mi22556-1509167-1019167-10123909(Top 90%)10031(Top 88%)10031(Top 205%)
21M21.00 mi1.00 mi22550+69166+19166+122338(Top 84%)9189(Top 80%)9189(Top 188%)
35K21.75 mi0.75 mi22580-309190-249190-2423633(Top 89%)9952(Top 87%)9952(Top 204%)
23M23.00 mi1.25 mi22711-1319274-849274-8424212(Top 91%)10238(Top 90%)10238(Top 210%)
24M24.00 mi1.00 mi22794-839329-559329-5524294(Top 91%)10323(Top 90%)10323(Top 211%)
40K24.85 mi0.85 mi22890-969388-599388-5924649(Top 93%)10494(Top 92%)10494(Top 215%)
25.2M25.20 mi0.35 mi22934-449408-209408-2024991(Top 94%)10689(Top 94%)10689(Top 219%)
Finish26.22 mi1.02 mi23149-2159525-1179525-11725925(Top 97%)11131(Top 97%)11131(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22710

Females

9193

F18-39

9193

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22895

Females

9285

F18-39

9285

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22710

Females

9193

F18-39

9193

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21941

Females

8768

F18-39

8768

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22547

Females

9110

F18-39

9110

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22062

Females

8872

F18-39

8872

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22405

Females

9129

F18-39

9129

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23909

Females

10031

F18-39

10031

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22338

Females

9189

F18-39

9189

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23633

Females

9952

F18-39

9952

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24212

Females

10238

F18-39

10238

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24294

Females

10323

F18-39

10323

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24649

Females

10494

F18-39

10494

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24991

Females

10689

F18-39

10689

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25925

Females

11131

F18-39

11131

Passing Analysis

Category:
Athletes Passed
981
Passed By
1692
Net Change
-711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22438
5K → 10K138385-247#22438#22685
10K → 15K147150-3#22685#22688
15K → 20K23756+181#22688#22507
20K → Half2428-4#22507#22511
Half → 25K13453+81#22511#22430
25K → 30K130106+24#22430#22406
30K → 20M23173-150#22406#22556
20M → 21M5650+6#22556#22550
21M → 35K2555-30#22550#22580
35K → 23M24155-131#22580#22711
23M → 24M20103-83#22711#22794
24M → 40K10106-96#22794#22890
40K → 25.2M549-44#22890#22934
25.2M → Finish8223-215#22934#23149
TOTALS9811692-711
📊

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