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BOSTON MARATHON 2023

Daniel Seva

Bib: 15162•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M50-54)
#0 / 2052
Top 41%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:14
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:38:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:20:41
↑ 181↓ 1480.2%
20M
7:44/mi
2:31:12
↑ 64↓ 500.2%
21M
8:25/mi
2:39:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:45:45
↑ 17↓ 861.7%
23M
8:14/mi
2:56:03
↑ 23↓ 630.6%
24M
8:09/mi
3:04:12
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:11:19
↓ 200.3%
25.2M
8:54/mi
3:14:23
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:22:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:30
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5323:327:3423:32
7:34
-
10K
6.21 mi11:17:0146:407:3123:08
7:27
-0:07
15K
9.32 mi11:40:351:10:147:3223:34
7:35
+0:08
20K
12.43 mi12:03:481:33:277:3123:13
7:28
-0:07
Half
13.11 mi12:08:511:38:307:315:03
7:24
-0:04
25K
15.53 mi12:26:591:56:387:3018:08
7:29
+0:05
30K
18.64 mi12:51:022:20:417:3324:03
7:44
+0:15
20M
20.00 mi13:01:332:31:127:3410:31
7:44
0:00
21M
21.00 mi13:09:582:39:377:368:25
8:25
+0:41
35K
21.75 mi13:16:062:45:457:376:08
8:12
-0:13
23M
23.00 mi13:26:242:56:037:3910:18
8:14
+0:02
24M
24.00 mi13:34:333:04:127:418:09
8:09
-0:05
40K
24.85 mi13:41:403:11:197:427:07
8:19
+0:10
25.2M
25.20 mi13:44:443:14:237:433:04
8:54
+0:35
Finish
26.22 mi13:53:043:22:437:448:20
8:11
-0:43

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

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:32

34% of race

Time at Steady Pace

1:21:40

40% of race

Time at Slower Pace

51:31

25% of race

Average Pace: 7:44 /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 mi10:53:5323:327:3423:32
7:34
#10285
10K
6.21 mi11:17:0146:407:3123:08
7:27
#10124
15K
9.32 mi11:40:351:10:147:3223:34
7:35
#10377
20K
12.43 mi12:03:481:33:277:3123:13
7:28
#10006
Half
13.11 mi12:08:511:38:307:315:03
7:24
#9969
25K
15.53 mi12:26:591:56:387:3018:08
7:29
#9719
30K
18.64 mi12:51:022:20:417:3324:03
7:44
#9558
20M
20.00 mi13:01:332:31:127:3410:31
7:44
#9442
21M
21.00 mi13:09:582:39:377:368:25
8:25
#9437
35K
21.75 mi13:16:062:45:457:376:08
8:12
#9577
23M
23.00 mi13:26:242:56:037:3910:18
8:14
#9640
24M
24.00 mi13:34:333:04:127:418:09
8:09
#9734
40K
24.85 mi13:41:403:11:197:427:07
8:19
#9814
25.2M
25.20 mi13:44:443:14:237:433:04
8:54
#9833
Finish
26.22 mi13:53:043:22:437:448:20
8:11
#9959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi102858283828310868(Top 41%)8584(Top 57%)8584(Top 418%)
10K6.21 mi3.10 mi10124+1618218+658218+6510018(Top 38%)8179(Top 54%)8179(Top 399%)
15K9.32 mi3.11 mi10377-2538363-1458363-14510868(Top 41%)8584(Top 57%)8584(Top 418%)
20K12.43 mi3.11 mi10006+3718159+2048159+2049098(Top 34%)7556(Top 50%)7556(Top 368%)
Half13.11 mi0.68 mi9969+378131+288131+289420(Top 35%)7770(Top 51%)7770(Top 379%)
25K15.53 mi2.42 mi9719+2507973+1587973+1588621(Top 32%)7224(Top 48%)7224(Top 352%)
30K18.64 mi3.11 mi9558+1617842+1317842+1318936(Top 34%)7246(Top 48%)7246(Top 353%)
20M20.00 mi1.36 mi9442+1167747+957747+958436(Top 32%)6861(Top 45%)6861(Top 334%)
21M21.00 mi1.00 mi9437+57717+307717+309946(Top 37%)7575(Top 50%)7575(Top 369%)
35K21.75 mi0.75 mi9577-1407791-747791-7413352(Top 50%)9127(Top 60%)9127(Top 445%)
23M23.00 mi1.25 mi9640-637793-27793-211343(Top 43%)8144(Top 54%)8144(Top 397%)
24M24.00 mi1.00 mi9734-947818-257818-2512215(Top 46%)8488(Top 56%)8488(Top 414%)
40K24.85 mi0.85 mi9814-807827-97827-912170(Top 46%)8380(Top 55%)8380(Top 408%)
25.2M25.20 mi0.35 mi9833-197826+17826+111804(Top 44%)8147(Top 54%)8147(Top 397%)
Finish26.22 mi1.02 mi9959-1267869-437869-4313243(Top 50%)8888(Top 59%)8888(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10868

Males

8584

M50-54

8584

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10018

Males

8179

M50-54

8179

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10868

Males

8584

M50-54

8584

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9098

Males

7556

M50-54

7556

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9420

Males

7770

M50-54

7770

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8621

Males

7224

M50-54

7224

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8936

Males

7246

M50-54

7246

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8436

Males

6861

M50-54

6861

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9946

Males

7575

M50-54

7575

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13352

Males

9127

M50-54

9127

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11343

Males

8144

M50-54

8144

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12215

Males

8488

M50-54

8488

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12170

Males

8380

M50-54

8380

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11804

Males

8147

M50-54

8147

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13243

Males

8888

M50-54

8888

Passing Analysis

Category:
Athletes Passed
1912*
Passed By
1586
Net Change
+326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10285
5K → 10K395*234+161#10285#10124
10K → 15K92345-253#10124#10377
15K → 20K399*28+371#10377#10006
20K → Half49*12+37#10006#9969
Half → 25K258*8+250#9969#9719
25K → 30K251*90+161#9719#9558
30K → 20M14327+116#9558#9442
20M → 21M8681+5#9442#9437
21M → 35K18158-140#9437#9577
35K → 23M73136-63#9577#9640
23M → 24M37131-94#9640#9734
24M → 40K43*123-80#9734#9814
40K → 25.2M3251-19#9814#9833
25.2M → Finish36*162-126#9833#9959
TOTALS1912*1586+326

* 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