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BOSTON MARATHON 2024

Stephanie Key

Bib: 22171•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Masters (Masters Women)
#0 / 6263
Top 21%
Division (F50-54)
#0 / 1187
Top 14%
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
8:33/mi
26:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:19:12
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:45:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:50:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:11:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:38:11
↑ 181↓ 1480.2%
20M
8:25/mi
2:49:37
↑ 64↓ 500.2%
21M
8:47/mi
2:58:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
3:04:15
↑ 17↓ 861.7%
23M
7:59/mi
3:14:15
↑ 23↓ 630.6%
24M
7:48/mi
3:22:03
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:28:51
↓ 200.3%
25.2M
8:39/mi
3:31:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:39:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:50:59
Pace8:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:27
Pace8:16 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1826:338:3326:33
8:33
-
10K
6.21 mi11:50:4152:568:3126:23
8:30
-0:03
15K
9.32 mi12:16:571:19:128:3026:16
8:27
-0:03
20K
12.43 mi12:43:101:45:258:2926:13
8:26
-0:01
Half
13.11 mi12:48:441:50:598:285:34
8:10
-0:16
25K
15.53 mi13:09:172:11:328:2820:33
8:29
+0:19
30K
18.64 mi13:35:562:38:118:2926:39
8:35
+0:06
20M
20.00 mi13:47:222:49:378:2911:26
8:25
-0:10
21M
21.00 mi13:56:092:58:248:308:47
8:47
+0:22
35K
21.75 mi14:02:003:04:158:285:51
7:49
-0:58
23M
23.00 mi14:12:003:14:158:2710:00
7:59
+0:10
24M
24.00 mi14:19:483:22:038:257:48
7:48
-0:11
40K
24.85 mi14:26:363:28:518:246:48
7:57
+0:09
25.2M
25.20 mi14:29:353:31:508:242:59
8:39
+0:42
Finish
26.22 mi14:37:113:39:268:237:36
7:27
-1:12

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

7:27 /mi

Average Pace

8:23 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:37

20% of race

Time at Steady Pace

2:55:49

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:24:1826:338:3326:33
8:33
#18026
10K
6.21 mi11:50:4152:568:3126:23
8:30
#17611
15K
9.32 mi12:16:571:19:128:3026:16
8:27
#17067
20K
12.43 mi12:43:101:45:258:2926:13
8:26
#16316
Half
13.11 mi12:48:441:50:598:285:34
8:10
#16160
25K
15.53 mi13:09:172:11:328:2820:33
8:29
#15606
30K
18.64 mi13:35:562:38:118:2926:39
8:35
#14732
20M
20.00 mi13:47:222:49:378:2911:26
8:25
#14261
21M
21.00 mi13:56:092:58:248:308:47
8:47
#13817
35K
21.75 mi14:02:003:04:158:285:51
7:49
#13529
23M
23.00 mi14:12:003:14:158:2710:00
7:59
#12988
24M
24.00 mi14:19:483:22:038:257:48
7:48
#12622
40K
24.85 mi14:26:363:28:518:246:48
7:57
#12289
25.2M
25.20 mi14:29:353:31:508:242:59
8:39
#12151
Finish
26.22 mi14:37:113:39:268:237:36
7:27
#11859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi180266774677416141(Top 63%)5639(Top 52%)5639(Top 475%)
10K6.21 mi3.10 mi17611+4156504+2706504+27017226(Top 67%)6266(Top 57%)6266(Top 528%)
15K9.32 mi3.11 mi17067+5446188+3166188+31616141(Top 63%)5639(Top 52%)5639(Top 475%)
20K12.43 mi3.11 mi16316+7515754+4345754+43414478(Top 57%)4703(Top 43%)4703(Top 396%)
Half13.11 mi0.68 mi16160+1565677+775677+7713798(Top 54%)4345(Top 40%)4345(Top 366%)
25K15.53 mi2.42 mi15606+5545367+3105367+31012926(Top 51%)3995(Top 37%)3995(Top 337%)
30K18.64 mi3.11 mi14732+8744917+4504917+45011062(Top 43%)3221(Top 29%)3221(Top 271%)
20M20.00 mi1.36 mi14261+4714686+2314686+2319002(Top 35%)2466(Top 23%)2466(Top 208%)
21M21.00 mi1.00 mi13817+4444499+1874499+1877568(Top 30%)1988(Top 18%)1988(Top 167%)
35K21.75 mi0.75 mi13529+2884370+1294370+1296765(Top 26%)1656(Top 15%)1656(Top 140%)
23M23.00 mi1.25 mi12988+5414129+2414129+2415714(Top 22%)1336(Top 12%)1336(Top 113%)
24M24.00 mi1.00 mi12622+3663960+1693960+1695602(Top 22%)1363(Top 12%)1363(Top 115%)
40K24.85 mi0.85 mi12289+3333826+1343826+1345623(Top 22%)1489(Top 14%)1489(Top 125%)
25.2M25.20 mi0.35 mi12151+1383769+573769+575160(Top 20%)1361(Top 12%)1361(Top 115%)
Finish26.22 mi1.02 mi11859+2923652+1173652+1175442(Top 21%)1397(Top 13%)1397(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16141

Females

5639

F50-54

5639

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17226

Females

6266

F50-54

6266

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16141

Females

5639

F50-54

5639

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14478

Females

4703

F50-54

4703

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

13798

Females

4345

F50-54

4345

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

12926

Females

3995

F50-54

3995

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11062

Females

3221

F50-54

3221

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9002

Females

2466

F50-54

2466

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7568

Females

1988

F50-54

1988

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6765

Females

1656

F50-54

1656

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5714

Females

1336

F50-54

1336

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5602

Females

1363

F50-54

1363

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5623

Females

1489

F50-54

1489

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5160

Females

1361

F50-54

1361

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5442

Females

1397

F50-54

1397

Passing Analysis

Category:
Athletes Passed
6368
Passed By
201
Net Change
+6167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18026
5K → 10K535120+415#18026#17611
10K → 15K58844+544#17611#17067
15K → 20K76514+751#17067#16316
20K → Half1571+156#16316#16160
Half → 25K56612+554#16160#15606
25K → 30K8795+874#15606#14732
30K → 20M4710+471#14732#14261
20M → 21M4451+444#14261#13817
21M → 35K2891+288#13817#13529
35K → 23M5410+541#13529#12988
23M → 24M3671+366#12988#12622
24M → 40K3330+333#12622#12289
40K → 25.2M1380+138#12289#12151
25.2M → Finish2942+292#12151#11859
TOTALS6368201+6167
📊

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