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BOSTON MARATHON 2023

Heinz Raeber

Bib: 20379•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 13%
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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:27
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:15:51
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:41:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:07:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:34:00
↑ 181↓ 1480.2%
20M
8:40/mi
2:45:47
↑ 64↓ 500.2%
21M
9:22/mi
2:55:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:01:27
↑ 17↓ 861.7%
23M
8:45/mi
3:12:24
↑ 23↓ 630.6%
24M
8:23/mi
3:20:47
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:28:12
↓ 200.3%
25.2M
9:23/mi
3:31:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:39:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:08
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4725:248:1125:24
8:11
-
10K
6.21 mi11:42:5050:278:0725:03
8:04
-0:07
15K
9.32 mi12:08:141:15:518:0825:24
8:11
+0:07
20K
12.43 mi12:33:571:41:348:1025:43
8:17
+0:06
Half
13.11 mi12:39:311:47:088:105:34
8:10
-0:07
25K
15.53 mi12:59:402:07:178:1220:09
8:19
+0:09
30K
18.64 mi13:26:232:34:008:1626:43
8:36
+0:17
20M
20.00 mi13:38:102:45:478:1711:47
8:40
+0:04
21M
21.00 mi13:47:322:55:098:209:22
9:22
+0:42
35K
21.75 mi13:53:503:01:278:216:18
8:25
-0:57
23M
23.00 mi14:04:473:12:248:2210:57
8:45
+0:20
24M
24.00 mi14:13:103:20:478:228:23
8:23
-0:22
40K
24.85 mi14:20:353:28:128:237:25
8:40
+0:17
25.2M
25.20 mi14:23:493:31:268:233:14
9:23
+0:43
Finish
26.22 mi14:32:033:39:408:238:14
8:05
-1:18

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

8:04 /mi

Average Pace

8:23 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:04

94% of race

Time at Steady Pace

12:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:17:4725:248:1125:24
8:11
#15257
10K
6.21 mi11:42:5050:278:0725:03
8:04
#15241
15K
9.32 mi12:08:141:15:518:0825:24
8:11
#15410
20K
12.43 mi12:33:571:41:348:1025:43
8:17
#15390
Half
13.11 mi12:39:311:47:088:105:34
8:10
#15391
25K
15.53 mi12:59:402:07:178:1220:09
8:19
#15305
30K
18.64 mi13:26:232:34:008:1626:43
8:36
#15201
20M
20.00 mi13:38:102:45:478:1711:47
8:40
#15156
21M
21.00 mi13:47:322:55:098:209:22
9:22
#15143
35K
21.75 mi13:53:503:01:278:216:18
8:25
#15118
23M
23.00 mi14:04:473:12:248:2210:57
8:45
#15066
24M
24.00 mi14:13:103:20:478:228:23
8:23
#15003
40K
24.85 mi14:20:353:28:128:237:25
8:40
#14954
25.2M
25.20 mi14:23:493:31:268:233:14
9:23
#14936
Finish
26.22 mi14:32:033:39:408:238:14
8:05
#14850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi15257104301043015681(Top 59%)10561(Top 70%)10561(Top 1924%)
10K6.21 mi3.10 mi15241+1610424+610424+615254(Top 57%)10404(Top 69%)10404(Top 1895%)
15K9.32 mi3.11 mi15410-16910469-4510469-4515681(Top 59%)10561(Top 70%)10561(Top 1924%)
20K12.43 mi3.11 mi15390+2010448+2110448+2115459(Top 58%)10439(Top 69%)10439(Top 1901%)
Half13.11 mi0.68 mi15391-110441+710441+715451(Top 58%)10468(Top 69%)10468(Top 1907%)
25K15.53 mi2.42 mi15305+8610386+5510386+5515011(Top 56%)10149(Top 67%)10149(Top 1849%)
30K18.64 mi3.11 mi15201+10410295+9110295+9114908(Top 56%)10016(Top 66%)10016(Top 1824%)
20M20.00 mi1.36 mi15156+4510264+3110264+3114673(Top 55%)9841(Top 65%)9841(Top 1793%)
21M21.00 mi1.00 mi15143+1310235+2910235+2915314(Top 58%)10057(Top 66%)10057(Top 1832%)
35K21.75 mi0.75 mi15118+2510211+2410211+2414821(Top 56%)9801(Top 65%)9801(Top 1785%)
23M23.00 mi1.25 mi15066+5210163+4810163+4814649(Top 55%)9651(Top 64%)9651(Top 1758%)
24M24.00 mi1.00 mi15003+6310127+3610127+3613747(Top 52%)9206(Top 61%)9206(Top 1677%)
40K24.85 mi0.85 mi14954+4910087+4010087+4014351(Top 54%)9393(Top 62%)9393(Top 1711%)
25.2M25.20 mi0.35 mi14936+1810069+1810069+1814517(Top 55%)9473(Top 62%)9473(Top 1726%)
Finish26.22 mi1.02 mi14850+8610011+5810011+5812643(Top 47%)8603(Top 57%)8603(Top 1567%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15681

Males

10561

M65-69

10561

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15254

Males

10404

M65-69

10404

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15681

Males

10561

M65-69

10561

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15459

Males

10439

M65-69

10439

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15451

Males

10468

M65-69

10468

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15011

Males

10149

M65-69

10149

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14908

Males

10016

M65-69

10016

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14673

Males

9841

M65-69

9841

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15314

Males

10057

M65-69

10057

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14821

Males

9801

M65-69

9801

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14649

Males

9651

M65-69

9651

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13747

Males

9206

M65-69

9206

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14351

Males

9393

M65-69

9393

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14517

Males

9473

M65-69

9473

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12643

Males

8603

M65-69

8603

Passing Analysis

Category:
Athletes Passed
1744
Passed By
1337
Net Change
+407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15257
5K → 10K311295+16#15257#15241
10K → 15K118287-169#15241#15410
15K → 20K179159+20#15410#15390
20K → Half3738-1#15390#15391
Half → 25K17286+86#15391#15305
25K → 30K232128+104#15305#15201
30K → 20M10661+45#15201#15156
20M → 21M9784+13#15156#15143
21M → 35K5631+25#15143#15118
35K → 23M10250+52#15118#15066
23M → 24M9128+63#15066#15003
24M → 40K8738+49#15003#14954
40K → 25.2M3820+18#14954#14936
25.2M → Finish11832+86#14936#14850
TOTALS17441337+407
📊

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