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BOSTON MARATHON 2024

Kai Terada-Herzer

Bib: 6369•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
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
6:38/mi
20:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
41:10
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:45
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:22:30
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:27:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:43:36
↑ 66↓ 880.2%
30K· 18.64 mi
7:12/mi
2:05:59
↑ 181↓ 1480.2%
20M
7:54/mi
2:16:43
↑ 64↓ 500.2%
21M
9:45/mi
2:26:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
2:33:42
↑ 17↓ 861.7%
23M
13:44/mi
2:50:54
↑ 23↓ 630.6%
24M
13:46/mi
3:04:40
↓ 821.3%
40K· 24.85 mi
14:28/mi
3:17:02
↓ 200.3%
25.2M
14:56/mi
3:22:11
↑ 13↓ 160.2%
Finish· 26.22 mi
12:19/mi
3:34:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:04
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time2:07:40
Pace9:44 /mi
📊Positive Split: 46.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0120:386:3820:38
6:38
-
10K
6.21 mi10:47:3341:106:3820:32
6:37
-0:01
15K
9.32 mi11:08:081:01:456:3820:35
6:38
+0:01
20K
12.43 mi11:28:531:22:306:3820:45
6:41
+0:03
Half
13.11 mi11:33:271:27:046:384:34
6:42
+0:01
25K
15.53 mi11:49:591:43:366:4016:32
6:49
+0:07
30K
18.64 mi12:12:222:05:596:4622:23
7:12
+0:23
20M
20.00 mi12:23:062:16:436:5010:44
7:54
+0:42
21M
21.00 mi12:32:512:26:286:589:45
9:45
+1:51
35K
21.75 mi12:40:052:33:427:047:14
9:40
-0:05
23M
23.00 mi12:57:172:50:547:2617:12
13:44
+4:04
24M
24.00 mi13:11:033:04:407:4213:46
13:46
+0:02
40K
24.85 mi13:23:253:17:027:5612:22
14:28
+0:42
25.2M
25.20 mi13:28:343:22:118:015:09
14:56
+0:28
Finish
26.22 mi13:41:073:34:448:1212:33
12:19
-2:37

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

6:37 /mi

Average Pace

8:12 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:16:43

64% of race

Time at Slower Pace

1:18:01

36% of race

Average Pace: 8:11 /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 mi10:27:0120:386:3820:38
6:38
#4347
10K
6.21 mi10:47:3341:106:3820:32
6:37
#3956
15K
9.32 mi11:08:081:01:456:3820:35
6:38
#3751
20K
12.43 mi11:28:531:22:306:3820:45
6:41
#3531
Half
13.11 mi11:33:271:27:046:384:34
6:42
#3532
25K
15.53 mi11:49:591:43:366:4016:32
6:49
#3435
30K
18.64 mi12:12:222:05:596:4622:23
7:12
#3432
20M
20.00 mi12:23:062:16:436:5010:44
7:54
#3658
21M
21.00 mi12:32:512:26:286:589:45
9:45
#4166
35K
21.75 mi12:40:052:33:427:047:14
9:40
#4586
23M
23.00 mi12:57:172:50:547:2617:12
13:44
#6276
24M
24.00 mi13:11:033:04:407:4213:46
13:46
#7800
40K
24.85 mi13:23:253:17:027:5612:22
14:28
#9201
25.2M
25.20 mi13:28:343:22:118:015:09
14:56
#9710
Finish
26.22 mi13:41:073:34:448:1212:33
12:19
#10698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4347408740873436(Top 13%)3261(Top 22%)3261(Top 67%)
10K6.21 mi3.10 mi3956+3913735+3523735+3523678(Top 14%)3480(Top 24%)3480(Top 72%)
15K9.32 mi3.11 mi3751+2053552+1833552+1833436(Top 13%)3261(Top 22%)3261(Top 67%)
20K12.43 mi3.11 mi3531+2203352+2003352+2003098(Top 12%)2947(Top 20%)2947(Top 61%)
Half13.11 mi0.68 mi3532-1335233523796(Top 15%)3566(Top 24%)3566(Top 74%)
25K15.53 mi2.42 mi3435+973258+943258+943330(Top 13%)3124(Top 21%)3124(Top 64%)
30K18.64 mi3.11 mi3432+33239+193239+193801(Top 15%)3458(Top 24%)3458(Top 71%)
20M20.00 mi1.36 mi3658-2263425-1863425-1866221(Top 24%)4993(Top 34%)4993(Top 103%)
21M21.00 mi1.00 mi4166-5083851-4263851-42611894(Top 47%)7659(Top 53%)7659(Top 158%)
35K21.75 mi0.75 mi4586-4204184-3334184-33316050(Top 63%)9630(Top 66%)9630(Top 199%)
23M23.00 mi1.25 mi6276-16905353-11695353-116923492(Top 92%)13383(Top 92%)13383(Top 276%)
24M24.00 mi1.00 mi7800-15246251-8986251-89823939(Top 94%)13566(Top 93%)13566(Top 280%)
40K24.85 mi0.85 mi9201-14016958-7076958-70724094(Top 94%)13630(Top 93%)13630(Top 281%)
25.2M25.20 mi0.35 mi9710-5097202-2447202-24422921(Top 90%)12978(Top 89%)12978(Top 268%)
Finish26.22 mi1.02 mi10698-9887629-4277629-42723637(Top 93%)13357(Top 92%)13357(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3436

Males

3261

M18-39

3261

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3678

Males

3480

M18-39

3480

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3436

Males

3261

M18-39

3261

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3098

Males

2947

M18-39

2947

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3796

Males

3566

M18-39

3566

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3330

Males

3124

M18-39

3124

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

3801

Males

3458

M18-39

3458

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6221

Males

4993

M18-39

4993

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

11894

Males

7659

M18-39

7659

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16050

Males

9630

M18-39

9630

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

23492

Males

13383

M18-39

13383

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

23939

Males

13566

M18-39

13566

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24094

Males

13630

M18-39

13630

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

22921

Males

12978

M18-39

12978

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

23637

Males

13357

M18-39

13357

Passing Analysis

Category:
Athletes Passed
1396
Passed By
7745
Net Change
-6351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4347
5K → 10K42938+391#4347#3956
10K → 15K24742+205#3956#3751
15K → 20K24828+220#3751#3531
20K → Half2425-1#3531#3532
Half → 25K16871+97#3532#3435
25K → 30K183180+3#3435#3432
30K → 20M41267-226#3432#3658
20M → 21M17525-508#3658#4166
21M → 35K8428-420#4166#4586
35K → 23M61696-1690#4586#6276
23M → 24M31527-1524#6276#7800
24M → 40K51406-1401#7800#9201
40K → 25.2M2511-509#9201#9710
25.2M → Finish151001-988#9710#10698
TOTALS13967745-6351
📊

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