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BOSTON MARATHON 2024

Stephanie Summerhill

Bib: 19594•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 38%
Masters (Masters Women)
#0 / 6263
Top 27%
Division (F50-54)
#0 / 1187
Top 19%
Race Day Weather
55°/45°F
scattered 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
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
51:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:17:27
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:42:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:48:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:08:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:36:28
↑ 181↓ 1480.2%
20M
8:53/mi
2:48:32
↑ 64↓ 500.2%
21M
10:02/mi
2:58:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
3:04:49
↑ 17↓ 861.7%
23M
8:41/mi
3:15:41
↑ 23↓ 630.6%
24M
8:32/mi
3:24:13
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:31:42
↓ 200.3%
25.2M
10:00/mi
3:35:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:43:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:27
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:55:19
Pace8:48 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1326:098:2526:09
8:25
-
10K
6.21 mi11:44:5651:528:2125:43
8:17
-0:08
15K
9.32 mi12:10:311:17:278:1925:35
8:14
-0:03
20K
12.43 mi12:35:591:42:558:1725:28
8:12
-0:02
Half
13.11 mi12:41:311:48:278:165:32
8:07
-0:05
25K
15.53 mi13:01:312:08:278:1620:00
8:15
+0:08
30K
18.64 mi13:29:322:36:288:2428:01
9:01
+0:46
20M
20.00 mi13:41:362:48:328:2612:04
8:53
-0:08
21M
21.00 mi13:51:382:58:348:3010:02
10:02
+1:09
35K
21.75 mi13:57:533:04:498:306:15
8:21
-1:41
23M
23.00 mi14:08:453:15:418:3010:52
8:41
+0:20
24M
24.00 mi14:17:173:24:138:318:32
8:32
-0:09
40K
24.85 mi14:24:463:31:428:317:29
8:45
+0:13
25.2M
25.20 mi14:28:133:35:098:323:27
10:00
+1:15
Finish
26.22 mi14:36:503:43:468:328:37
8:27
-1:33

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

8:07 /mi

Average Pace

8:32 /mi

Slowest Pace

10:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:32

2% of race

Time at Steady Pace

2:37:11

70% of race

Time at Slower Pace

1:01:03

27% of race

Average Pace: 8:32 /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 mi11:19:1326:098:2526:09
8:25
#17307
10K
6.21 mi11:44:5651:528:2125:43
8:17
#16609
15K
9.32 mi12:10:311:17:278:1925:35
8:14
#15986
20K
12.43 mi12:35:591:42:558:1725:28
8:12
#15198
Half
13.11 mi12:41:311:48:278:165:32
8:07
#15114
25K
15.53 mi13:01:312:08:278:1620:00
8:15
#14456
30K
18.64 mi13:29:322:36:288:2428:01
9:01
#14169
20M
20.00 mi13:41:362:48:328:2612:04
8:53
#13955
21M
21.00 mi13:51:382:58:348:3010:02
10:02
#13878
35K
21.75 mi13:57:533:04:498:306:15
8:21
#13660
23M
23.00 mi14:08:453:15:418:3010:52
8:41
#13398
24M
24.00 mi14:17:173:24:138:318:32
8:32
#13190
40K
24.85 mi14:24:463:31:428:317:29
8:45
#13023
25.2M
25.20 mi14:28:133:35:098:323:27
10:00
#12969
Finish
26.22 mi14:36:503:43:468:328:37
8:27
#12852
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi173076343634314912(Top 58%)4912(Top 45%)4912(Top 414%)
10K6.21 mi3.10 mi16609+6985926+4175926+41715996(Top 63%)5529(Top 51%)5529(Top 466%)
15K9.32 mi3.11 mi15986+6235550+3765550+37614912(Top 58%)4912(Top 45%)4912(Top 414%)
20K12.43 mi3.11 mi15198+7885077+4735077+47313133(Top 51%)3922(Top 36%)3922(Top 330%)
Half13.11 mi0.68 mi15114+845025+525025+5213509(Top 53%)4201(Top 38%)4201(Top 354%)
25K15.53 mi2.42 mi14456+6584675+3504675+35011688(Top 46%)3340(Top 31%)3340(Top 281%)
30K18.64 mi3.11 mi14169+2874578+974578+9713326(Top 52%)4464(Top 41%)4464(Top 376%)
20M20.00 mi1.36 mi13955+2144511+674511+6711520(Top 45%)3776(Top 35%)3776(Top 318%)
21M21.00 mi1.00 mi13878+774535-244535-2413098(Top 51%)4839(Top 44%)4839(Top 408%)
35K21.75 mi0.75 mi13660+2184441+944441+949941(Top 39%)3207(Top 29%)3207(Top 270%)
23M23.00 mi1.25 mi13398+2624351+904351+909468(Top 37%)3124(Top 29%)3124(Top 263%)
24M24.00 mi1.00 mi13190+2084283+684283+689702(Top 38%)3294(Top 30%)3294(Top 278%)
40K24.85 mi0.85 mi13023+1674232+514232+519670(Top 38%)3409(Top 31%)3409(Top 287%)
25.2M25.20 mi0.35 mi12969+544226+64226+611013(Top 43%)4111(Top 38%)4111(Top 346%)
Finish26.22 mi1.02 mi12852+1174203+234203+2311283(Top 44%)4111(Top 38%)4111(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14912

Females

4912

F50-54

4912

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

15996

Females

5529

F50-54

5529

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14912

Females

4912

F50-54

4912

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13133

Females

3922

F50-54

3922

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

13509

Females

4201

F50-54

4201

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11688

Females

3340

F50-54

3340

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13326

Females

4464

F50-54

4464

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11520

Females

3776

F50-54

3776

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13098

Females

4839

F50-54

4839

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9941

Females

3207

F50-54

3207

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9468

Females

3124

F50-54

3124

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9702

Females

3294

F50-54

3294

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9670

Females

3409

F50-54

3409

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11013

Females

4111

F50-54

4111

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11283

Females

4111

F50-54

4111

Passing Analysis

Category:
Athletes Passed
4926
Passed By
471
Net Change
+4455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17307
5K → 10K76668+698#17307#16609
10K → 15K65532+623#16609#15986
15K → 20K7924+788#15986#15198
20K → Half884+84#15198#15114
Half → 25K6646+658#15114#14456
25K → 30K424137+287#14456#14169
30K → 20M24632+214#14169#13955
20M → 21M17497+77#13955#13878
21M → 35K2213+218#13878#13660
35K → 23M27715+262#13660#13398
23M → 24M22820+208#13398#13190
24M → 40K17912+167#13190#13023
40K → 25.2M7117+54#13023#12969
25.2M → Finish14124+117#12969#12852
TOTALS4926471+4455
📊

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