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BOSTON MARATHON 2023

Hailey Vonderahe

Bib: 10714•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:47/mi
24:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:10:59
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:34:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:39:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:57:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:20:05
↑ 181↓ 1480.2%
20M
7:16/mi
2:29:58
↑ 64↓ 500.2%
21M
7:29/mi
2:37:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:42:43
↑ 17↓ 861.7%
23M
7:07/mi
2:51:38
↑ 23↓ 630.6%
24M
6:57/mi
2:58:35
↓ 821.3%
40K· 24.85 mi
7:01/mi
3:04:35
↓ 200.3%
25.2M
7:53/mi
3:07:18
↑ 13↓ 160.2%
Finish· 26.22 mi
6:49/mi
3:14:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:55
Pace7:14 /mi
📊Negative Split: 4.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2824:117:4724:11
7:47
-
10K
6.21 mi11:14:1547:587:4323:47
7:39
-0:08
15K
9.32 mi11:37:161:10:597:3723:01
7:25
-0:14
20K
12.43 mi12:00:401:34:237:3623:24
7:32
+0:07
Half
13.11 mi12:05:371:39:207:354:57
7:15
-0:17
25K
15.53 mi12:23:331:57:167:3317:56
7:24
+0:09
30K
18.64 mi12:46:222:20:057:3122:49
7:21
-0:03
20M
20.00 mi12:56:152:29:587:309:53
7:16
-0:05
21M
21.00 mi13:03:442:37:277:307:29
7:29
+0:13
35K
21.75 mi13:09:002:42:437:295:16
7:02
-0:27
23M
23.00 mi13:17:552:51:387:288:55
7:07
+0:05
24M
24.00 mi13:24:522:58:357:266:57
6:57
-0:10
40K
24.85 mi13:30:523:04:357:266:00
7:01
+0:04
25.2M
25.20 mi13:33:353:07:187:262:43
7:53
+0:52
Finish
26.22 mi13:40:323:14:157:256:57
6:49
-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

6:49 /mi

Average Pace

7:25 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:10

62% of race

Time at Steady Pace

1:14:05

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:50:2824:117:4724:11
7:47
#12207
10K
6.21 mi11:14:1547:587:4323:47
7:39
#12003
15K
9.32 mi11:37:161:10:597:3723:01
7:25
#11068
20K
12.43 mi12:00:401:34:237:3623:24
7:32
#10661
Half
13.11 mi12:05:371:39:207:354:57
7:15
#10516
25K
15.53 mi12:23:331:57:167:3317:56
7:24
#10035
30K
18.64 mi12:46:222:20:057:3122:49
7:21
#9266
20M
20.00 mi12:56:152:29:587:309:53
7:16
#8938
21M
21.00 mi13:03:442:37:277:307:29
7:29
#8623
35K
21.75 mi13:09:002:42:437:295:16
7:02
#8496
23M
23.00 mi13:17:552:51:387:288:55
7:07
#8164
24M
24.00 mi13:24:522:58:357:266:57
6:57
#7953
40K
24.85 mi13:30:523:04:357:266:00
7:01
#7760
25.2M
25.20 mi13:33:353:07:187:262:43
7:53
#7703
Finish
26.22 mi13:40:323:14:157:256:57
6:49
#7521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12207297529759416(Top 35%)1583(Top 14%)1583(Top 32%)
10K6.21 mi3.10 mi12003+2042868+1072868+10711839(Top 44%)2774(Top 24%)2774(Top 57%)
15K9.32 mi3.11 mi11068+9352368+5002368+5009416(Top 35%)1583(Top 14%)1583(Top 32%)
20K12.43 mi3.11 mi10661+4072161+2072161+2079567(Top 36%)1712(Top 15%)1712(Top 35%)
Half13.11 mi0.68 mi10516+1452075+862075+868299(Top 31%)1204(Top 11%)1204(Top 25%)
25K15.53 mi2.42 mi10035+4811876+1991876+1998008(Top 30%)1188(Top 10%)1188(Top 24%)
30K18.64 mi3.11 mi9266+7691591+2851591+2856294(Top 24%)710(Top 6%)710(Top 15%)
20M20.00 mi1.36 mi8938+3281479+1121479+1125522(Top 21%)582(Top 5%)582(Top 12%)
21M21.00 mi1.00 mi8623+3151380+991380+994528(Top 17%)409(Top 4%)409(Top 8%)
35K21.75 mi0.75 mi8496+1271348+321348+325608(Top 21%)658(Top 6%)658(Top 13%)
23M23.00 mi1.25 mi8164+3321248+1001248+1004441(Top 17%)411(Top 4%)411(Top 8%)
24M24.00 mi1.00 mi7953+2111190+581190+584454(Top 17%)435(Top 4%)435(Top 9%)
40K24.85 mi0.85 mi7760+1931131+591131+593973(Top 15%)411(Top 4%)411(Top 8%)
25.2M25.20 mi0.35 mi7703+571122+91122+95879(Top 22%)1010(Top 9%)1010(Top 21%)
Finish26.22 mi1.02 mi7521+1821084+381084+384228(Top 16%)514(Top 4%)514(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9416

Females

1583

F18-39

1583

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11839

Females

2774

F18-39

2774

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9416

Females

1583

F18-39

1583

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9567

Females

1712

F18-39

1712

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8299

Females

1204

F18-39

1204

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8008

Females

1188

F18-39

1188

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6294

Females

710

F18-39

710

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5522

Females

582

F18-39

582

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4528

Females

409

F18-39

409

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5608

Females

658

F18-39

658

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4441

Females

411

F18-39

411

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4454

Females

435

F18-39

435

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3973

Females

411

F18-39

411

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5879

Females

1010

F18-39

1010

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4228

Females

514

F18-39

514

Passing Analysis

Category:
Athletes Passed
4957*
Passed By
271
Net Change
+4686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12207
5K → 10K428224+204#12207#12003
10K → 15K9449+935#12003#11068
15K → 20K42720+407#11068#10661
20K → Half1461+145#10661#10516
Half → 25K4876+481#10516#10035
25K → 30K769*0+769#10035#9266
30K → 20M3280+328#9266#8938
20M → 21M3150+315#8938#8623
21M → 35K1292+127#8623#8496
35K → 23M3342+332#8496#8164
23M → 24M2132+211#8164#7953
24M → 40K1930+193#7953#7760
40K → 25.2M581+57#7760#7703
25.2M → Finish1864+182#7703#7521
TOTALS4957*271+4686

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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