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BOSTON MARATHON 2023

Raphael Seifner

Bib: 5648•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 39%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #8476
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
45:47
Rank: #8947 (-471)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:08:40
Rank: #8959 (-12)
10K → 15K
22:53 | 7:22/mi
20K· 12.43 mi
1:32:33
Rank: #9392 (-433)
15K → 20K
23:53 | 7:41/mi
Half· 13.11 mi
1:37:41
Rank: #9434 (-42)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:56:33
Rank: #9678 (-244)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:21:15
Rank: #9792 (-114)
25K → 30K
24:42 | 7:57/mi
20M
2:32:21
Rank: #9873 (-81)
30K → 20M
11:06 | 8:10/mi
21M
2:40:47
Rank: #9858 (+15)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:46:29
Rank: #9835 (+23)
21M → 35K
5:42 | 7:37/mi
23M
2:56:18
Rank: #9726 (+109)
35K → 23M
9:49 | 7:50/mi
24M
3:04:00
Rank: #9663 (+63)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:10:47
Rank: #9636 (+27)
24M → 40K
6:47 | 7:56/mi
25.2M
3:13:42
Rank: #9607 (+29)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:21:25
Rank: #9559 (+48)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:41
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:43:44
Pace7:55 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5222:517:2122:51
7:21
-
10K
6.21 mi10:48:4845:477:2222:56
7:23
+0:02
15K
9.32 mi11:11:411:08:407:2222:53
7:22
-0:01
20K
12.43 mi11:35:341:32:337:2723:53
7:41
+0:19
Half
13.11 mi11:40:421:37:417:275:08
7:31
-0:10
25K
15.53 mi11:59:341:56:337:3018:52
7:47
+0:16
30K
18.64 mi12:24:162:21:157:3524:42
7:57
+0:10
20M
20.00 mi12:35:222:32:217:3711:06
8:10
+0:13
21M
21.00 mi12:43:482:40:477:398:26
8:26
+0:16
35K
21.75 mi12:49:302:46:297:395:42
7:37
-0:49
23M
23.00 mi12:59:192:56:187:409:49
7:50
+0:13
24M
24.00 mi13:07:013:04:007:407:42
7:42
-0:08
40K
24.85 mi13:13:483:10:477:416:47
7:56
+0:14
25.2M
25.20 mi13:16:433:13:427:412:55
8:27
+0:31
Finish
26.22 mi13:24:263:21:257:417:43
7:34
-0:53

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

7:21 /mi

Average Pace

7:41 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:58

89% of race

Time at Steady Pace

22:27

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:25:5222:517:2122:51
7:21
#8476
10K
6.21 mi10:48:4845:477:2222:56
7:23
#8947
15K
9.32 mi11:11:411:08:407:2222:53
7:22
#8959
20K
12.43 mi11:35:341:32:337:2723:53
7:41
#9392
Half
13.11 mi11:40:421:37:417:275:08
7:31
#9434
25K
15.53 mi11:59:341:56:337:3018:52
7:47
#9678
30K
18.64 mi12:24:162:21:157:3524:42
7:57
#9792
20M
20.00 mi12:35:222:32:217:3711:06
8:10
#9873
21M
21.00 mi12:43:482:40:477:398:26
8:26
#9858
35K
21.75 mi12:49:302:46:297:395:42
7:37
#9835
23M
23.00 mi12:59:192:56:187:409:49
7:50
#9726
24M
24.00 mi13:07:013:04:007:407:42
7:42
#9663
40K
24.85 mi13:13:483:10:477:416:47
7:56
#9636
25.2M
25.20 mi13:16:433:13:427:412:55
8:27
#9607
Finish
26.22 mi13:24:263:21:257:417:43
7:34
#9559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8476728872889054(Top 34%)7570(Top 50%)7570(Top 338%)
10K6.21 mi3.10 mi8947-4717546-2587546-2589454(Top 36%)7833(Top 52%)7833(Top 350%)
15K9.32 mi3.11 mi8959-127533+137533+139054(Top 34%)7570(Top 50%)7570(Top 338%)
20K12.43 mi3.11 mi9392-4337791-2587791-25810805(Top 41%)8471(Top 56%)8471(Top 378%)
Half13.11 mi0.68 mi9434-427816-257816-2510363(Top 39%)8272(Top 55%)8272(Top 369%)
25K15.53 mi2.42 mi9678-2447950-1347950-13410927(Top 41%)8461(Top 56%)8461(Top 378%)
30K18.64 mi3.11 mi9792-1147980-307980-3010499(Top 39%)8094(Top 53%)8094(Top 361%)
20M20.00 mi1.36 mi9873-817996-167996-1611441(Top 43%)8453(Top 56%)8453(Top 377%)
21M21.00 mi1.00 mi9858+157964+327964+3210048(Top 38%)7627(Top 50%)7627(Top 340%)
35K21.75 mi0.75 mi9835+237935+297935+299384(Top 35%)7289(Top 48%)7289(Top 325%)
23M23.00 mi1.25 mi9726+1097838+977838+978675(Top 33%)6801(Top 45%)6801(Top 303%)
24M24.00 mi1.00 mi9663+637781+577781+579069(Top 34%)6925(Top 46%)6925(Top 309%)
40K24.85 mi0.85 mi9636+277743+387743+389566(Top 36%)7113(Top 47%)7113(Top 317%)
25.2M25.20 mi0.35 mi9607+297705+387705+389201(Top 35%)6861(Top 45%)6861(Top 306%)
Finish26.22 mi1.02 mi9559+487653+527653+529077(Top 34%)6794(Top 45%)6794(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9054

Males

7570

M40-44

7570

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9454

Males

7833

M40-44

7833

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9054

Males

7570

M40-44

7570

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10805

Males

8471

M40-44

8471

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10363

Males

8272

M40-44

8272

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10927

Males

8461

M40-44

8461

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10499

Males

8094

M40-44

8094

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11441

Males

8453

M40-44

8453

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10048

Males

7627

M40-44

7627

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9384

Males

7289

M40-44

7289

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8675

Males

6801

M40-44

6801

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9069

Males

6925

M40-44

6925

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9566

Males

7113

M40-44

7113

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9201

Males

6861

M40-44

6861

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9077

Males

6794

M40-44

6794

Passing Analysis

Category:
Athletes Passed
1150*
Passed By
2232
Net Change
-1083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8476
5K → 10K101572-471#8476#8947
10K → 15K140152-12#8947#8959
15K → 20K43476-433#8959#9392
20K → Half951-42#9392#9434
Half → 25K64308-244#9434#9678
25K → 30K129*243-114#9678#9792
30K → 20M67148-81#9792#9873
20M → 21M9478+15#9873#9858
21M → 35K5229+23#9858#9835
35K → 23M14334+109#9835#9726
23M → 24M9532+63#9726#9663
24M → 40K73*46+27#9663#9636
40K → 25.2M5021+29#9636#9607
25.2M → Finish9042+48#9607#9559
TOTALS1150*2232-1083

* 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