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BOSTON MARATHON 2023

Markus Siegelin

Bib: 5276•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M40-44)
#0 / 2241
Top 25%
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
6:31/mi
20:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
40:35
↑ 79↓ 1380.4%
15K· 9.32 mi
6:36/mi
1:01:04
↑ 67↓ 78
20K· 12.43 mi
6:39/mi
1:21:43
↑ 106↓ 860.1%
Half· 13.11 mi
6:27/mi
1:26:07
↑ 19↓ 370.5%
25K· 15.53 mi
6:41/mi
1:42:19
↑ 66↓ 880.2%
30K· 18.64 mi
6:57/mi
2:03:56
↑ 181↓ 1480.2%
20M
7:02/mi
2:13:29
↑ 64↓ 500.2%
21M
7:28/mi
2:20:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:26:11
↑ 17↓ 861.7%
23M
7:15/mi
2:35:16
↑ 23↓ 630.6%
24M
7:04/mi
2:42:20
↓ 821.3%
40K· 24.85 mi
7:17/mi
2:48:34
↓ 200.3%
25.2M
7:47/mi
2:51:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
2:58:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:32:20
Pace7:03 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3120:156:3120:15
6:31
-
10K
6.21 mi10:42:5140:356:3220:20
6:33
+0:02
15K
9.32 mi11:03:201:01:046:3320:29
6:36
+0:03
20K
12.43 mi11:23:591:21:436:3520:39
6:39
+0:03
Half
13.11 mi11:28:231:26:076:344:24
6:27
-0:12
25K
15.53 mi11:44:351:42:196:3516:12
6:41
+0:14
30K
18.64 mi12:06:122:03:566:3921:37
6:57
+0:16
20M
20.00 mi12:15:452:13:296:409:33
7:02
+0:05
21M
21.00 mi12:23:132:20:576:437:28
7:28
+0:26
35K
21.75 mi12:28:272:26:116:435:14
7:00
-0:28
23M
23.00 mi12:37:322:35:166:459:05
7:15
+0:15
24M
24.00 mi12:44:362:42:206:467:04
7:04
-0:11
40K
24.85 mi12:50:502:48:346:476:14
7:17
+0:13
25.2M
25.20 mi12:53:312:51:156:482:41
7:47
+0:30
Finish
26.22 mi13:00:432:58:276:497:12
7:04
-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

6:27 /mi

Average Pace

6:49 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:19

57% of race

Time at Steady Pace

50:40

28% of race

Time at Slower Pace

25:28

14% 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 mi10:22:3120:156:3120:15
6:31
#2375
10K
6.21 mi10:42:5140:356:3220:20
6:33
#2688
15K
9.32 mi11:03:201:01:046:3320:29
6:36
#2832
20K
12.43 mi11:23:591:21:436:3520:39
6:39
#2906
Half
13.11 mi11:28:231:26:076:344:24
6:27
#2877
25K
15.53 mi11:44:351:42:196:3516:12
6:41
#2903
30K
18.64 mi12:06:122:03:566:3921:37
6:57
#3031
20M
20.00 mi12:15:452:13:296:409:33
7:02
#3104
21M
21.00 mi12:23:132:20:576:437:28
7:28
#3174
35K
21.75 mi12:28:272:26:116:435:14
7:00
#3244
23M
23.00 mi12:37:322:35:166:459:05
7:15
#3346
24M
24.00 mi12:44:362:42:206:467:04
7:04
#3438
40K
24.85 mi12:50:502:48:346:476:14
7:17
#3502
25.2M
25.20 mi12:53:312:51:156:482:41
7:47
#3530
Finish
26.22 mi13:00:432:58:276:497:12
7:04
#3634
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2375226522653236(Top 12%)3077(Top 20%)3077(Top 137%)
10K6.21 mi3.10 mi2688-3132565-3002565-3003083(Top 12%)2941(Top 19%)2941(Top 131%)
15K9.32 mi3.11 mi2832-1442704-1392704-1393236(Top 12%)3077(Top 20%)3077(Top 137%)
20K12.43 mi3.11 mi2906-742776-722776-723156(Top 12%)3002(Top 20%)3002(Top 134%)
Half13.11 mi0.68 mi2877+292747+292747+292524(Top 9%)2423(Top 16%)2423(Top 108%)
25K15.53 mi2.42 mi2903-262774-272774-273239(Top 12%)3087(Top 20%)3087(Top 138%)
30K18.64 mi3.11 mi3031-1282889-1152889-1154058(Top 15%)3788(Top 25%)3788(Top 169%)
20M20.00 mi1.36 mi3104-732956-672956-674170(Top 16%)3849(Top 25%)3849(Top 172%)
21M21.00 mi1.00 mi3174-703011-553011-554391(Top 16%)4005(Top 26%)4005(Top 179%)
35K21.75 mi0.75 mi3244-703072-613072-615259(Top 20%)4687(Top 31%)4687(Top 209%)
23M23.00 mi1.25 mi3346-1023169-973169-975041(Top 19%)4490(Top 30%)4490(Top 200%)
24M24.00 mi1.00 mi3438-923249-803249-804983(Top 19%)4401(Top 29%)4401(Top 196%)
40K24.85 mi0.85 mi3502-643308-593308-595334(Top 20%)4564(Top 30%)4564(Top 204%)
25.2M25.20 mi0.35 mi3530-283331-233331-235212(Top 20%)4392(Top 29%)4392(Top 196%)
Finish26.22 mi1.02 mi3634-1043420-893420-895580(Top 21%)4634(Top 31%)4634(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3236

Males

3077

M40-44

3077

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3083

Males

2941

M40-44

2941

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3236

Males

3077

M40-44

3077

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3156

Males

3002

M40-44

3002

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2524

Males

2423

M40-44

2423

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3239

Males

3087

M40-44

3087

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4058

Males

3788

M40-44

3788

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4170

Males

3849

M40-44

3849

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4391

Males

4005

M40-44

4005

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5259

Males

4687

M40-44

4687

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5041

Males

4490

M40-44

4490

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4983

Males

4401

M40-44

4401

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5334

Males

4564

M40-44

4564

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5212

Males

4392

M40-44

4392

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5580

Males

4634

M40-44

4634

Passing Analysis

Category:
Athletes Passed
434
Passed By
1693
Net Change
-1259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2375
5K → 10K39352-313#2375#2688
10K → 15K37181-144#2688#2832
15K → 20K44118-74#2832#2906
20K → Half312+29#2906#2877
Half → 25K5581-26#2877#2903
25K → 30K52180-128#2903#3031
30K → 20M2598-73#3031#3104
20M → 21M2494-70#3104#3174
21M → 35K1282-70#3174#3244
35K → 23M35137-102#3244#3346
23M → 24M21113-92#3346#3438
24M → 40K2286-64#3438#3502
40K → 25.2M1139-28#3502#3530
25.2M → Finish26130-104#3530#3634
TOTALS4341693-1259
📊

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