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BOSTON MARATHON 2024

Erin Bonthron

Bib: 15054•F

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #10630
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:42
Rank: #10623 (+7)
5K → 10K
23:27 | 7:33/mi
15K· 9.32 mi
1:10:04
Rank: #10310 (+313)
10K → 15K
23:22 | 7:31/mi
20K· 12.43 mi
1:33:48
Rank: #10015 (+295)
15K → 20K
23:44 | 7:38/mi
Half· 13.11 mi
1:38:54
Rank: #9952 (+63)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:59
Rank: #9759 (+193)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:25:25
Rank: #10256 (-497)
25K → 30K
27:26 | 8:50/mi
20M
2:37:29
Rank: #10329 (-73)
30K → 20M
12:04 | 8:53/mi
21M
2:47:08
Rank: #10359 (-30)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
2:53:34
Rank: #10352 (+7)
21M → 35K
6:26 | 8:36/mi
23M
3:04:36
Rank: #10277 (+75)
35K → 23M
11:02 | 8:49/mi
24M
3:13:10
Rank: #10228 (+49)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:20:33
Rank: #10162 (+66)
24M → 40K
7:23 | 8:38/mi
25.2M
3:23:43
Rank: #10104 (+58)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:31:55
Rank: #10020 (+84)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:53:01
Pace8:37 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3223:157:2923:15
7:29
-
10K
6.21 mi11:18:5946:427:3123:27
7:33
+0:04
15K
9.32 mi11:42:211:10:047:3123:22
7:31
-0:02
20K
12.43 mi12:06:051:33:487:3323:44
7:38
+0:07
Half
13.11 mi12:11:111:38:547:335:06
7:29
-0:09
25K
15.53 mi12:30:161:57:597:3619:05
7:52
+0:23
30K
18.64 mi12:57:422:25:257:4827:26
8:50
+0:58
20M
20.00 mi13:09:462:37:297:5212:04
8:53
+0:03
21M
21.00 mi13:19:252:47:087:589:39
9:39
+0:46
35K
21.75 mi13:25:512:53:347:596:26
8:36
-1:03
23M
23.00 mi13:36:533:04:368:0211:02
8:49
+0:13
24M
24.00 mi13:45:273:13:108:038:34
8:34
-0:15
40K
24.85 mi13:52:503:20:338:047:23
8:38
+0:04
25.2M
25.20 mi13:56:003:23:438:053:10
9:11
+0:33
Finish
26.22 mi14:04:123:31:558:058:12
8:03
-1:08

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

7:29 /mi

Average Pace

8:05 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:11

60% of race

Time at Steady Pace

1:12:55

34% of race

Time at Slower Pace

12:49

6% of race

Average Pace: 8:05 /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 mi10:55:3223:157:2923:15
7:29
#10630
10K
6.21 mi11:18:5946:427:3123:27
7:33
#10623
15K
9.32 mi11:42:211:10:047:3123:22
7:31
#10310
20K
12.43 mi12:06:051:33:487:3323:44
7:38
#10015
Half
13.11 mi12:11:111:38:547:335:06
7:29
#9952
25K
15.53 mi12:30:161:57:597:3619:05
7:52
#9759
30K
18.64 mi12:57:422:25:257:4827:26
8:50
#10256
20M
20.00 mi13:09:462:37:297:5212:04
8:53
#10329
21M
21.00 mi13:19:252:47:087:589:39
9:39
#10359
35K
21.75 mi13:25:512:53:347:596:26
8:36
#10352
23M
23.00 mi13:36:533:04:368:0211:02
8:49
#10277
24M
24.00 mi13:45:273:13:108:038:34
8:34
#10228
40K
24.85 mi13:52:503:20:338:047:23
8:38
#10162
25.2M
25.20 mi13:56:003:23:438:053:10
9:11
#10104
Finish
26.22 mi14:04:123:31:558:058:12
8:03
#10020
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10630236123619872(Top 39%)2120(Top 19%)2120(Top 45%)
10K6.21 mi3.10 mi10623+72394-332394-3310678(Top 42%)2463(Top 23%)2463(Top 53%)
15K9.32 mi3.11 mi10310+3132245+1492245+1499872(Top 39%)2120(Top 19%)2120(Top 45%)
20K12.43 mi3.11 mi10015+2952157+882157+889347(Top 37%)1992(Top 18%)1992(Top 43%)
Half13.11 mi0.68 mi9952+632129+282129+289014(Top 35%)1840(Top 17%)1840(Top 39%)
25K15.53 mi2.42 mi9759+1932099+302099+309391(Top 37%)2192(Top 20%)2192(Top 47%)
30K18.64 mi3.11 mi10256-4972452-3532452-35312356(Top 48%)3917(Top 36%)3917(Top 84%)
20M20.00 mi1.36 mi10329-732547-952547-9511504(Top 45%)3760(Top 34%)3760(Top 81%)
21M21.00 mi1.00 mi10359-302613-662613-6611497(Top 45%)3998(Top 37%)3998(Top 86%)
35K21.75 mi0.75 mi10352+72641-282641-2811313(Top 44%)3917(Top 36%)3917(Top 84%)
23M23.00 mi1.25 mi10277+752664-232664-2310172(Top 40%)3480(Top 32%)3480(Top 75%)
24M24.00 mi1.00 mi10228+492685-212685-219860(Top 39%)3363(Top 31%)3363(Top 72%)
40K24.85 mi0.85 mi10162+662700-152700-159068(Top 35%)3110(Top 28%)3110(Top 67%)
25.2M25.20 mi0.35 mi10104+582690+102690+107460(Top 29%)2409(Top 22%)2409(Top 52%)
Finish26.22 mi1.02 mi10020+842688+22688+28837(Top 35%)2978(Top 27%)2978(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

9872

Females

2120

F18-39

2120

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10678

Females

2463

F18-39

2463

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

9872

Females

2120

F18-39

2120

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9347

Females

1992

F18-39

1992

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9014

Females

1840

F18-39

1840

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9391

Females

2192

F18-39

2192

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12356

Females

3917

F18-39

3917

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11504

Females

3760

F18-39

3760

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11497

Females

3998

F18-39

3998

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11313

Females

3917

F18-39

3917

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10172

Females

3480

F18-39

3480

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

9860

Females

3363

F18-39

3363

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9068

Females

3110

F18-39

3110

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7460

Females

2409

F18-39

2409

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

8837

Females

2978

F18-39

2978

Passing Analysis

Category:
Athletes Passed
2482*
Passed By
1868
Net Change
+610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10630
5K → 10K286279+7#10630#10623
10K → 15K38774+313#10623#10310
15K → 20K37883+295#10310#10015
20K → Half70*7+63#10015#9952
Half → 25K306112+193#9952#9759
25K → 30K140635-497#9759#10256
30K → 20M128200-73#10256#10329
20M → 21M125155-30#10329#10359
21M → 35K7669+7#10359#10352
35K → 23M16691+75#10352#10277
23M → 24M11465+49#10277#10228
24M → 40K119*53+66#10228#10162
40K → 25.2M635+58#10162#10104
25.2M → Finish12440+84#10104#10020
TOTALS2482*1868+610

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

📊

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