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BOSTON MARATHON 2023

Ralf Steinert

Bib: 9737•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #6545
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
44:04
Rank: #7053 (-508)
5K → 10K
22:10 | 7:08/mi
15K· 9.32 mi
1:06:16
Rank: #7166 (-113)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:28:37
Rank: #7097 (+69)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:33:22
Rank: #7066 (+31)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:50:24
Rank: #6802 (+264)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:12:47
Rank: #6537 (+265)
25K → 30K
22:23 | 7:12/mi
20M
2:22:21
Rank: #6337 (+200)
30K → 20M
9:34 | 7:02/mi
21M
2:29:53
Rank: #6201 (+136)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:34:46
Rank: #6054 (+147)
21M → 35K
4:53 | 6:32/mi
23M
2:43:27
Rank: #5845 (+209)
35K → 23M
8:41 | 6:56/mi
24M
2:50:04
Rank: #5642 (+203)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:55:57
Rank: #5518 (+124)
24M → 40K
5:53 | 6:53/mi
25.2M
2:58:30
Rank: #5457 (+61)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:05:14
Rank: #5305 (+152)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:22
Pace7:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:52
Pace7:00 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5521:547:0321:54
7:03
-
10K
6.21 mi11:15:0544:047:0622:10
7:08
+0:05
15K
9.32 mi11:37:171:06:167:0722:12
7:09
+0:01
20K
12.43 mi11:59:381:28:377:0822:21
7:12
+0:03
Half
13.11 mi12:04:231:33:227:074:45
6:58
-0:14
25K
15.53 mi12:21:251:50:247:0617:02
7:02
+0:04
30K
18.64 mi12:43:482:12:477:0722:23
7:12
+0:10
20M
20.00 mi12:53:222:22:217:079:34
7:02
-0:10
21M
21.00 mi13:00:542:29:537:087:32
7:32
+0:30
35K
21.75 mi13:05:472:34:467:074:53
6:32
-1:00
23M
23.00 mi13:14:282:43:277:068:41
6:56
+0:24
24M
24.00 mi13:21:052:50:047:056:37
6:37
-0:19
40K
24.85 mi13:26:582:55:577:055:53
6:53
+0:16
25.2M
25.20 mi13:29:312:58:307:052:33
7:24
+0:31
Finish
26.22 mi13:36:153:05:147:046:44
6:36
-0:48

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

6:32 /mi

Average Pace

7:04 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:25

70% of race

Time at Steady Pace

54:49

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:52:5521:547:0321:54
7:03
#6545
10K
6.21 mi11:15:0544:047:0622:10
7:08
#7053
15K
9.32 mi11:37:171:06:167:0722:12
7:09
#7166
20K
12.43 mi11:59:381:28:377:0822:21
7:12
#7097
Half
13.11 mi12:04:231:33:227:074:45
6:58
#7066
25K
15.53 mi12:21:251:50:247:0617:02
7:02
#6802
30K
18.64 mi12:43:482:12:477:0722:23
7:12
#6537
20M
20.00 mi12:53:222:22:217:079:34
7:02
#6337
21M
21.00 mi13:00:542:29:537:087:32
7:32
#6201
35K
21.75 mi13:05:472:34:467:074:53
6:32
#6054
23M
23.00 mi13:14:282:43:277:068:41
6:56
#5845
24M
24.00 mi13:21:052:50:047:056:37
6:37
#5642
40K
24.85 mi13:26:582:55:577:055:53
6:53
#5518
25.2M
25.20 mi13:29:312:58:307:052:33
7:24
#5457
Finish
26.22 mi13:36:153:05:147:046:44
6:36
#5305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6545591859187422(Top 28%)6539(Top 43%)6539(Top 290%)
10K6.21 mi3.10 mi7053-5086292-3746292-3747643(Top 29%)6694(Top 44%)6694(Top 297%)
15K9.32 mi3.11 mi7166-1136378-866378-867422(Top 28%)6539(Top 43%)6539(Top 290%)
20K12.43 mi3.11 mi7097+696318+606318+607041(Top 26%)6239(Top 41%)6239(Top 277%)
Half13.11 mi0.68 mi7066+316294+246294+246300(Top 24%)5710(Top 38%)5710(Top 254%)
25K15.53 mi2.42 mi6802+2646086+2086086+2085710(Top 21%)5228(Top 34%)5228(Top 232%)
30K18.64 mi3.11 mi6537+2655872+2145872+2145526(Top 21%)5013(Top 33%)5013(Top 223%)
20M20.00 mi1.36 mi6337+2005708+1645708+1644284(Top 16%)3955(Top 26%)3955(Top 176%)
21M21.00 mi1.00 mi6201+1365591+1175591+1174754(Top 18%)4295(Top 28%)4295(Top 191%)
35K21.75 mi0.75 mi6054+1475473+1185473+1182621(Top 10%)2480(Top 16%)2480(Top 110%)
23M23.00 mi1.25 mi5845+2095303+1705303+1703464(Top 13%)3212(Top 21%)3212(Top 143%)
24M24.00 mi1.00 mi5642+2035138+1655138+1652681(Top 10%)2499(Top 16%)2499(Top 111%)
40K24.85 mi0.85 mi5518+1245027+1115027+1113254(Top 12%)2984(Top 20%)2984(Top 133%)
25.2M25.20 mi0.35 mi5457+614975+524975+523432(Top 13%)3115(Top 21%)3115(Top 138%)
Finish26.22 mi1.02 mi5305+1524846+1294846+1293037(Top 11%)2746(Top 18%)2746(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7422

Males

6539

M45-49

6539

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7643

Males

6694

M45-49

6694

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7422

Males

6539

M45-49

6539

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7041

Males

6239

M45-49

6239

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6300

Males

5710

M45-49

5710

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5710

Males

5228

M45-49

5228

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5526

Males

5013

M45-49

5013

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4284

Males

3955

M45-49

3955

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4754

Males

4295

M45-49

4295

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2621

Males

2480

M45-49

2480

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3464

Males

3212

M45-49

3212

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2681

Males

2499

M45-49

2499

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3254

Males

2984

M45-49

2984

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3432

Males

3115

M45-49

3115

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3037

Males

2746

M45-49

2746

Passing Analysis

Category:
Athletes Passed
2107
Passed By
867
Net Change
+1240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6545
5K → 10K45553-508#6545#7053
10K → 15K94207-113#7053#7166
15K → 20K14071+69#7166#7097
20K → Half332+31#7097#7066
Half → 25K2684+264#7066#6802
25K → 30K2749+265#6802#6537
30K → 20M2033+200#6537#6337
20M → 21M1437+136#6337#6201
21M → 35K1470+147#6201#6054
35K → 23M2101+209#6054#5845
23M → 24M2030+203#5845#5642
24M → 40K1284+124#5642#5518
40K → 25.2M621+61#5518#5457
25.2M → Finish1575+152#5457#5305
TOTALS2107867+1240
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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