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BOSTON MARATHON 2024

John-Henry Forster

Bib: 2304•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 10%
Gender (Male)
#0 / 14578
Top 16%
Division (M18-39)
#0 / 4849
Top 35%
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
6:27/mi
20:02
↑ 97↓ 3451.5%
10K· 6.21 mi
6:22/mi
39:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:20/mi
59:28
↑ 67↓ 78
20K· 12.43 mi
6:21/mi
1:19:11
↑ 106↓ 860.1%
Half· 13.11 mi
6:20/mi
1:23:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:38:55
↑ 66↓ 880.2%
30K· 18.64 mi
6:34/mi
1:59:20
↑ 181↓ 1480.2%
20M
7:23/mi
2:09:22
↑ 64↓ 500.2%
21M
8:53/mi
2:18:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:23:43
↑ 17↓ 861.7%
23M
7:55/mi
2:33:38
↑ 23↓ 630.6%
24M
7:20/mi
2:40:58
↓ 821.3%
40K· 24.85 mi
7:47/mi
2:47:37
↓ 200.3%
25.2M
9:49/mi
2:51:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
2:58:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:30
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:34:38
Pace7:13 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:026:2720:02
6:27
-
10K
6.21 mi10:41:2239:486:2419:46
6:22
-0:05
15K
9.32 mi11:01:0259:286:2319:40
6:20
-0:02
20K
12.43 mi11:20:451:19:116:2219:43
6:21
+0:01
Half
13.11 mi11:25:041:23:306:224:19
6:20
-0:01
25K
15.53 mi11:40:291:38:556:2215:25
6:22
+0:02
30K
18.64 mi12:00:541:59:206:2420:25
6:34
+0:12
20M
20.00 mi12:10:562:09:226:2810:02
7:23
+0:49
21M
21.00 mi12:19:492:18:156:358:53
8:53
+1:30
35K
21.75 mi12:25:172:23:436:365:28
7:18
-1:35
23M
23.00 mi12:35:122:33:386:419:55
7:55
+0:37
24M
24.00 mi12:42:322:40:586:427:20
7:20
-0:35
40K
24.85 mi12:49:112:47:376:456:39
7:47
+0:27
25.2M
25.20 mi12:52:342:51:006:473:23
9:49
+2:02
Finish
26.22 mi12:59:422:58:086:487:08
7:00
-2:49

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

6:20 /mi

Average Pace

6:48 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:55

56% of race

Time at Steady Pace

50:23

28% of race

Time at Slower Pace

28:50

16% of race

Average Pace: 6:48 /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 mi10:21:3620:026:2720:02
6:27
#3006
10K
6.21 mi10:41:2239:486:2419:46
6:22
#2550
15K
9.32 mi11:01:0259:286:2319:40
6:20
#2296
20K
12.43 mi11:20:451:19:116:2219:43
6:21
#2036
Half
13.11 mi11:25:041:23:306:224:19
6:20
#2016
25K
15.53 mi11:40:291:38:556:2215:25
6:22
#1832
30K
18.64 mi12:00:541:59:206:2420:25
6:34
#1645
20M
20.00 mi12:10:562:09:226:2810:02
7:23
#1751
21M
21.00 mi12:19:492:18:156:358:53
8:53
#2021
35K
21.75 mi12:25:172:23:436:365:28
7:18
#2071
23M
23.00 mi12:35:122:33:386:419:55
7:55
#2229
24M
24.00 mi12:42:322:40:586:427:20
7:20
#2255
40K
24.85 mi12:49:112:47:376:456:39
7:47
#2329
25.2M
25.20 mi12:52:342:51:006:473:23
9:49
#2434
Finish
26.22 mi12:59:422:58:086:487:08
7:00
#2445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3006287328731883(Top 7%)1823(Top 13%)1823(Top 38%)
10K6.21 mi3.10 mi2550+4562452+4212452+4212214(Top 9%)2135(Top 15%)2135(Top 44%)
15K9.32 mi3.11 mi2296+2542217+2352217+2351883(Top 7%)1823(Top 13%)1823(Top 38%)
20K12.43 mi3.11 mi2036+2601968+2491968+2491526(Top 6%)1478(Top 10%)1478(Top 30%)
Half13.11 mi0.68 mi2016+201948+201948+201794(Top 7%)1737(Top 12%)1737(Top 36%)
25K15.53 mi2.42 mi1832+1841773+1751773+1751318(Top 5%)1272(Top 9%)1272(Top 26%)
30K18.64 mi3.11 mi1645+1871592+1811592+1811254(Top 5%)1198(Top 8%)1198(Top 25%)
20M20.00 mi1.36 mi1751-1061691-991691-993847(Top 15%)3434(Top 24%)3434(Top 71%)
21M21.00 mi1.00 mi2021-2701939-2481939-2487961(Top 31%)5775(Top 40%)5775(Top 119%)
35K21.75 mi0.75 mi2071-501984-451984-454161(Top 16%)3564(Top 24%)3564(Top 73%)
23M23.00 mi1.25 mi2229-1582127-1432127-1435341(Top 21%)4167(Top 29%)4167(Top 86%)
24M24.00 mi1.00 mi2255-262143-162143-163465(Top 14%)2948(Top 20%)2948(Top 61%)
40K24.85 mi0.85 mi2329-742202-592202-594628(Top 18%)3566(Top 24%)3566(Top 74%)
25.2M25.20 mi0.35 mi2434-1052292-902292-9010032(Top 39%)6339(Top 43%)6339(Top 131%)
Finish26.22 mi1.02 mi2445-112299-72299-73107(Top 12%)2591(Top 18%)2591(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1883

Males

1823

M18-39

1823

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2214

Males

2135

M18-39

2135

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1883

Males

1823

M18-39

1823

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1526

Males

1478

M18-39

1478

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1794

Males

1737

M18-39

1737

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1318

Males

1272

M18-39

1272

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1254

Males

1198

M18-39

1198

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3847

Males

3434

M18-39

3434

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7961

Males

5775

M18-39

5775

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4161

Males

3564

M18-39

3564

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5341

Males

4167

M18-39

4167

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3465

Males

2948

M18-39

2948

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4628

Males

3566

M18-39

3566

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10032

Males

6339

M18-39

6339

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3107

Males

2591

M18-39

2591

Passing Analysis

Category:
Athletes Passed
1580
Passed By
1019
Net Change
+561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3006
5K → 10K4659+456#3006#2550
10K → 15K2595+254#2550#2296
15K → 20K2688+260#2296#2036
20K → Half244+20#2036#2016
Half → 25K1862+184#2016#1832
25K → 30K20013+187#1832#1645
30K → 20M24130-106#1645#1751
20M → 21M7277-270#1751#2021
21M → 35K2070-50#2021#2071
35K → 23M19177-158#2071#2229
23M → 24M4773-26#2229#2255
24M → 40K2397-74#2255#2329
40K → 25.2M6111-105#2329#2434
25.2M → Finish3243-11#2434#2445
TOTALS15801019+561
📊

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