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BOSTON MARATHON 2023

Ralf Bischoff

Bib: 31667•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:51/mi
27:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:21:41
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:49:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:55:21
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:17:41
↑ 66↓ 880.2%
30K· 18.64 mi
10:16/mi
2:49:34
↑ 181↓ 1480.2%
20M
10:42/mi
3:04:07
↑ 64↓ 500.2%
21M
12:18/mi
3:16:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:23:33
↑ 17↓ 861.7%
23M
9:47/mi
3:35:48
↑ 23↓ 630.6%
24M
9:23/mi
3:45:11
↓ 821.3%
40K· 24.85 mi
10:00/mi
3:53:44
↓ 200.3%
25.2M
12:17/mi
3:57:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
4:07:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:11:54
Pace10:04 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5527:318:5127:31
8:51
-
10K
6.21 mi12:16:1654:528:5027:21
8:48
-0:03
15K
9.32 mi12:43:051:21:418:4626:49
8:38
-0:10
20K
12.43 mi13:10:471:49:238:4827:42
8:55
+0:17
Half
13.11 mi13:16:451:55:218:485:58
8:45
-0:10
25K
15.53 mi13:39:052:17:418:5222:20
9:13
+0:28
30K
18.64 mi14:10:582:49:349:0631:53
10:16
+1:03
20M
20.00 mi14:25:313:04:079:1214:33
10:42
+0:26
21M
21.00 mi14:37:493:16:259:2112:18
12:18
+1:36
35K
21.75 mi14:44:573:23:339:227:08
9:32
-2:46
23M
23.00 mi14:57:123:35:489:2312:15
9:47
+0:15
24M
24.00 mi15:06:353:45:119:239:23
9:23
-0:24
40K
24.85 mi15:15:083:53:449:248:33
10:00
+0:37
25.2M
25.20 mi15:19:223:57:589:274:14
12:17
+2:17
Finish
26.22 mi15:28:394:07:159:269:17
9:07
-3:10

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

8:38 /mi

Average Pace

9:26 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:08

24% of race

Time at Steady Pace

1:55:36

47% of race

Time at Slower Pace

1:11:31

29% of race

Average Pace: 9:26 /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 mi11:48:5527:318:5127:31
8:51
#19769
10K
6.21 mi12:16:1654:528:5027:21
8:48
#19828
15K
9.32 mi12:43:051:21:418:4626:49
8:38
#19416
20K
12.43 mi13:10:471:49:238:4827:42
8:55
#19324
Half
13.11 mi13:16:451:55:218:485:58
8:45
#19317
25K
15.53 mi13:39:052:17:418:5222:20
9:13
#19419
30K
18.64 mi14:10:582:49:349:0631:53
10:16
#20035
20M
20.00 mi14:25:313:04:079:1214:33
10:42
#20269
21M
21.00 mi14:37:493:16:259:2112:18
12:18
#20519
35K
21.75 mi14:44:573:23:339:227:08
9:32
#20493
23M
23.00 mi14:57:123:35:489:2312:15
9:47
#20406
24M
24.00 mi15:06:353:45:119:239:23
9:23
#20347
40K
24.85 mi15:15:083:53:449:248:33
10:00
#20316
25.2M
25.20 mi15:19:223:57:589:274:14
12:17
#20361
Finish
26.22 mi15:28:394:07:159:269:17
9:07
#20298
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19769120721207218625(Top 70%)11734(Top 77%)11734(Top 825%)
10K6.21 mi3.10 mi19828-5912140-6812140-6819938(Top 75%)12260(Top 81%)12260(Top 862%)
15K9.32 mi3.11 mi19416+41211993+14711993+14718625(Top 70%)11734(Top 77%)11734(Top 825%)
20K12.43 mi3.11 mi19324+9211983+1011983+1019281(Top 72%)12006(Top 79%)12006(Top 844%)
Half13.11 mi0.68 mi19317+711984-111984-119177(Top 72%)11974(Top 79%)11974(Top 842%)
25K15.53 mi2.42 mi19419-10212030-4612030-4619891(Top 75%)12237(Top 81%)12237(Top 861%)
30K18.64 mi3.11 mi20035-61612268-23812268-23821687(Top 81%)12930(Top 85%)12930(Top 909%)
20M20.00 mi1.36 mi20269-23412351-8312351-8322162(Top 83%)13066(Top 86%)13066(Top 919%)
21M21.00 mi1.00 mi20519-25012458-10712458-10723184(Top 87%)13515(Top 89%)13515(Top 950%)
35K21.75 mi0.75 mi20493+2612434+2412434+2419945(Top 75%)12026(Top 79%)12026(Top 846%)
23M23.00 mi1.25 mi20406+8712387+4712387+4719384(Top 73%)11742(Top 77%)11742(Top 826%)
24M24.00 mi1.00 mi20347+5912355+3212355+3218776(Top 71%)11445(Top 75%)11445(Top 805%)
40K24.85 mi0.85 mi20316+3112327+2812327+2819946(Top 75%)11893(Top 78%)11893(Top 836%)
25.2M25.20 mi0.35 mi20361-4512340-1312340-1322917(Top 86%)13275(Top 87%)13275(Top 934%)
Finish26.22 mi1.02 mi20298+6312308+3212308+3218501(Top 69%)11314(Top 75%)11314(Top 796%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18625

Males

11734

M55-59

11734

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19938

Males

12260

M55-59

12260

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18625

Males

11734

M55-59

11734

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19281

Males

12006

M55-59

12006

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19177

Males

11974

M55-59

11974

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19891

Males

12237

M55-59

12237

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21687

Males

12930

M55-59

12930

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22162

Males

13066

M55-59

13066

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23184

Males

13515

M55-59

13515

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19945

Males

12026

M55-59

12026

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19384

Males

11742

M55-59

11742

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18776

Males

11445

M55-59

11445

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19946

Males

11893

M55-59

11893

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22917

Males

13275

M55-59

13275

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18501

Males

11314

M55-59

11314

Passing Analysis

Category:
Athletes Passed
1534
Passed By
2063
Net Change
-529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19769
5K → 10K277336-59#19769#19828
10K → 15K46048+412#19828#19416
15K → 20K205113+92#19416#19324
20K → Half3124+7#19324#19317
Half → 25K85187-102#19317#19419
25K → 30K48664-616#19419#20035
30K → 20M34268-234#20035#20269
20M → 21M18268-250#20269#20519
21M → 35K5327+26#20519#20493
35K → 23M11225+87#20493#20406
23M → 24M7011+59#20406#20347
24M → 40K5827+31#20347#20316
40K → 25.2M853-45#20316#20361
25.2M → Finish7512+63#20361#20298
TOTALS15342063-529
📊

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