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BOSTON MARATHON 2023

David Geisinger

Bib: 26213•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
11:30/mi
35:44
↑ 97↓ 3451.5%
10K· 6.21 mi
11:20/mi
1:10:56
↑ 79↓ 1380.4%
15K· 9.32 mi
11:49/mi
1:47:39
↑ 67↓ 78
20K· 12.43 mi
12:49/mi
2:27:27
↑ 106↓ 860.1%
Half· 13.11 mi
12:42/mi
2:36:07
↑ 19↓ 370.5%
25K· 15.53 mi
12:43/mi
3:06:56
↑ 66↓ 880.2%
30K· 18.64 mi
13:27/mi
3:48:43
↑ 181↓ 1480.2%
20M
13:18/mi
4:06:48
↑ 64↓ 500.2%
21M
15:45/mi
4:22:33
↑ 106↓ 241.6%
35K· 21.75 mi
12:54/mi
4:32:12
↑ 17↓ 861.7%
23M
13:09/mi
4:48:40
↑ 23↓ 630.6%
24M
12:32/mi
5:01:12
↓ 821.3%
40K· 24.85 mi
14:17/mi
5:13:25
↓ 200.3%
25.2M
13:32/mi
5:18:05
↑ 13↓ 160.2%
Finish· 26.22 mi
13:12/mi
5:31:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:07
Pace11:55 /mi
2nd Half
Distance13.11 mi
Time2:55:25
Pace13:23 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3835:4411:3035:44
11:30
-
10K
6.21 mi12:27:501:10:5611:2535:12
11:20
-0:10
15K
9.32 mi13:04:331:47:3911:3336:43
11:49
+0:29
20K
12.43 mi13:44:212:27:2711:5239:48
12:49
+1:00
Half
13.11 mi13:53:012:36:0711:558:40
12:42
-0:07
25K
15.53 mi14:23:503:06:5612:0230:49
12:43
+0:01
30K
18.64 mi15:05:373:48:4312:1641:47
13:27
+0:44
20M
20.00 mi15:23:424:06:4812:2018:05
13:18
-0:09
21M
21.00 mi15:39:274:22:3312:3015:45
15:45
+2:27
35K
21.75 mi15:49:064:32:1212:319:39
12:54
-2:51
23M
23.00 mi16:05:344:48:4012:3316:28
13:09
+0:15
24M
24.00 mi16:18:065:01:1212:3312:32
12:32
-0:37
40K
24.85 mi16:30:195:13:2512:3712:13
14:17
+1:45
25.2M
25.20 mi16:34:595:18:0512:374:40
13:32
-0:45
Finish
26.22 mi16:48:265:31:3212:3913:27
13:12
-0:20

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

11:20 /mi

Average Pace

12:39 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:39

32% of race

Time at Steady Pace

2:29:28

45% of race

Time at Slower Pace

1:14:25

22% of race

Average Pace: 12:39 /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 mi11:52:3835:4411:3035:44
11:30
#26208
10K
6.21 mi12:27:501:10:5611:2535:12
11:20
#26030
15K
9.32 mi13:04:331:47:3911:3336:43
11:49
#26015
20K
12.43 mi13:44:212:27:2711:5239:48
12:49
#26081
Half
13.11 mi13:53:012:36:0711:558:40
12:42
#26087
25K
15.53 mi14:23:503:06:5612:0230:49
12:43
#26036
30K
18.64 mi15:05:373:48:4312:1641:47
13:27
#25999
20M
20.00 mi15:23:424:06:4812:2018:05
13:18
#25969
21M
21.00 mi15:39:274:22:3312:3015:45
15:45
#25982
35K
21.75 mi15:49:064:32:1212:319:39
12:54
#25964
23M
23.00 mi16:05:344:48:4012:3316:28
13:09
#25939
24M
24.00 mi16:18:065:01:1212:3312:32
12:32
#25915
40K
24.85 mi16:30:195:13:2512:3712:13
14:17
#25930
25.2M
25.20 mi16:34:595:18:0512:374:40
13:32
#25908
Finish
26.22 mi16:48:265:31:3212:3913:27
13:12
#25936
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi26208150101501025933(Top 97%)14914(Top 98%)14914(Top 727%)
10K6.21 mi3.10 mi26030+17814946+6414946+6425821(Top 97%)14873(Top 98%)14873(Top 725%)
15K9.32 mi3.11 mi26015+1514948-214948-225933(Top 97%)14914(Top 98%)14914(Top 727%)
20K12.43 mi3.11 mi26081-6614967-1914967-1926147(Top 98%)14987(Top 99%)14987(Top 730%)
Half13.11 mi0.68 mi26087-614966+114966+126243(Top 99%)15008(Top 99%)15008(Top 731%)
25K15.53 mi2.42 mi26036+5114947+1914947+1925703(Top 97%)14773(Top 97%)14773(Top 720%)
30K18.64 mi3.11 mi25999+3714925+2214925+2225717(Top 97%)14738(Top 97%)14738(Top 718%)
20M20.00 mi1.36 mi25969+3014910+1514910+1525418(Top 95%)14584(Top 96%)14584(Top 711%)
21M21.00 mi1.00 mi25982-1314915-514915-526127(Top 98%)14916(Top 98%)14916(Top 727%)
35K21.75 mi0.75 mi25964+1814900+1514900+1525490(Top 96%)14570(Top 96%)14570(Top 710%)
23M23.00 mi1.25 mi25939+2514886+1414886+1425238(Top 95%)14455(Top 95%)14455(Top 704%)
24M24.00 mi1.00 mi25915+2414873+1314873+1325085(Top 94%)14335(Top 94%)14335(Top 699%)
40K24.85 mi0.85 mi25930-1514881-814881-825841(Top 97%)14723(Top 97%)14723(Top 717%)
25.2M25.20 mi0.35 mi25908+2214870+1114870+1124556(Top 92%)14075(Top 93%)14075(Top 686%)
Finish26.22 mi1.02 mi25936-2814880-1014880-1026069(Top 98%)14843(Top 98%)14843(Top 723%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25933

Males

14914

M50-54

14914

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25821

Males

14873

M50-54

14873

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25933

Males

14914

M50-54

14914

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26147

Males

14987

M50-54

14987

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26243

Males

15008

M50-54

15008

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25703

Males

14773

M50-54

14773

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25717

Males

14738

M50-54

14738

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25418

Males

14584

M50-54

14584

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26127

Males

14916

M50-54

14916

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25490

Males

14570

M50-54

14570

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25238

Males

14455

M50-54

14455

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25085

Males

14335

M50-54

14335

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25841

Males

14723

M50-54

14723

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24556

Males

14075

M50-54

14075

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26069

Males

14843

M50-54

14843

Passing Analysis

Category:
Athletes Passed
594
Passed By
322
Net Change
+272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26208
5K → 10K20224+178#26208#26030
10K → 15K6752+15#26030#26015
15K → 20K2793-66#26015#26081
20K → Half713-6#26081#26087
Half → 25K6514+51#26087#26036
25K → 30K6629+37#26036#25999
30K → 20M399+30#25999#25969
20M → 21M922-13#25969#25982
21M → 35K213+18#25982#25964
35K → 23M305+25#25964#25939
23M → 24M284+24#25939#25915
24M → 40K924-15#25915#25930
40K → 25.2M220+22#25930#25908
25.2M → Finish230-28#25908#25936
TOTALS594322+272
📊

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