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BOSTON MARATHON 2023

Gregory Olson

Bib: 21900•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
9:09/mi
28:26
↑ 97↓ 3451.5%
10K· 6.21 mi
9:34/mi
58:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:48/mi
1:28:38
↑ 67↓ 78
20K· 12.43 mi
10:06/mi
2:00:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:06:33
↑ 19↓ 370.5%
25K· 15.53 mi
11:00/mi
2:33:14
↑ 66↓ 880.2%
30K· 18.64 mi
11:53/mi
3:10:10
↑ 181↓ 1480.2%
20M
11:52/mi
3:26:18
↑ 64↓ 500.2%
21M
13:39/mi
3:39:57
↑ 106↓ 241.6%
35K· 21.75 mi
12:33/mi
3:49:20
↑ 17↓ 861.7%
23M
11:59/mi
4:04:20
↑ 23↓ 630.6%
24M
11:47/mi
4:16:07
↓ 821.3%
40K· 24.85 mi
12:05/mi
4:26:27
↓ 200.3%
25.2M
14:01/mi
4:31:17
↑ 13↓ 160.2%
Finish· 26.22 mi
11:07/mi
4:42:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:33
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:36:04
Pace11:54 /mi
📊Positive Split: 23.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5028:269:0928:26
9:09
-
10K
6.21 mi11:51:3458:109:2229:44
9:34
+0:25
15K
9.32 mi12:22:021:28:389:3130:28
9:48
+0:14
20K
12.43 mi12:53:242:00:009:3931:22
10:06
+0:18
Half
13.11 mi12:59:572:06:339:396:33
9:36
-0:30
25K
15.53 mi13:26:382:33:149:5226:41
11:00
+1:24
30K
18.64 mi14:03:343:10:1010:1236:56
11:53
+0:53
20M
20.00 mi14:19:423:26:1810:1916:08
11:52
-0:01
21M
21.00 mi14:33:213:39:5710:2813:39
13:39
+1:47
35K
21.75 mi14:42:443:49:2010:339:23
12:33
-1:06
23M
23.00 mi14:57:444:04:2010:3715:00
11:59
-0:34
24M
24.00 mi15:09:314:16:0710:4011:47
11:47
-0:12
40K
24.85 mi15:19:514:26:2710:4310:20
12:05
+0:18
25.2M
25.20 mi15:24:414:31:1710:464:50
14:01
+1:56
Finish
26.22 mi15:36:014:42:3710:4711:20
11:07
-2:54

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

9:09 /mi

Average Pace

10:47 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:14

54% of race

Time at Steady Pace

1:41:31

36% of race

Time at Slower Pace

27:52

10% of race

Average Pace: 10:47 /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 mi11:21:5028:269:0928:26
9:09
#21051
10K
6.21 mi11:51:3458:109:2229:44
9:34
#21920
15K
9.32 mi12:22:021:28:389:3130:28
9:48
#22345
20K
12.43 mi12:53:242:00:009:3931:22
10:06
#22568
Half
13.11 mi12:59:572:06:339:396:33
9:36
#22556
25K
15.53 mi13:26:382:33:149:5226:41
11:00
#22880
30K
18.64 mi14:03:343:10:1010:1236:56
11:53
#23250
20M
20.00 mi14:19:423:26:1810:1916:08
11:52
#23316
21M
21.00 mi14:33:213:39:5710:2813:39
13:39
#23440
35K
21.75 mi14:42:443:49:2010:339:23
12:33
#23538
23M
23.00 mi14:57:444:04:2010:3715:00
11:59
#23576
24M
24.00 mi15:09:314:16:0710:4011:47
11:47
#23613
40K
24.85 mi15:19:514:26:2710:4310:20
12:05
#23663
25.2M
25.20 mi15:24:414:31:1710:464:50
14:01
#23693
Finish
26.22 mi15:36:014:42:3710:4711:20
11:07
#23721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21051126341263423061(Top 87%)13662(Top 90%)13662(Top 1231%)
10K6.21 mi3.10 mi21920-86913092-45813092-45822709(Top 85%)13494(Top 89%)13494(Top 1216%)
15K9.32 mi3.11 mi22345-42513309-21713309-21723061(Top 87%)13662(Top 90%)13662(Top 1231%)
20K12.43 mi3.11 mi22568-22313423-11413423-11423105(Top 87%)13679(Top 90%)13679(Top 1232%)
Half13.11 mi0.68 mi22556+1213413+1013413+1022382(Top 84%)13369(Top 88%)13369(Top 1204%)
25K15.53 mi2.42 mi22880-32413560-14713560-14723984(Top 90%)14012(Top 92%)14012(Top 1262%)
30K18.64 mi3.11 mi23250-37013720-16013720-16024363(Top 92%)14142(Top 93%)14142(Top 1274%)
20M20.00 mi1.36 mi23316-6613737-1713737-1724039(Top 90%)13914(Top 92%)13914(Top 1254%)
21M21.00 mi1.00 mi23440-12413785-4813785-4824721(Top 93%)14232(Top 94%)14232(Top 1282%)
35K21.75 mi0.75 mi23538-9813829-4413829-4425217(Top 95%)14425(Top 95%)14425(Top 1300%)
23M23.00 mi1.25 mi23576-3813844-1513844-1523965(Top 90%)13841(Top 91%)13841(Top 1247%)
24M24.00 mi1.00 mi23613-3713845-113845-124240(Top 91%)13924(Top 92%)13924(Top 1254%)
40K24.85 mi0.85 mi23663-5013857-1213857-1223990(Top 90%)13792(Top 91%)13792(Top 1243%)
25.2M25.20 mi0.35 mi23693-3013871-1413871-1425014(Top 94%)14285(Top 94%)14285(Top 1287%)
Finish26.22 mi1.02 mi23721-2813874-313874-324170(Top 91%)13913(Top 92%)13913(Top 1253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23061

Males

13662

M60-64

13662

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22709

Males

13494

M60-64

13494

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23061

Males

13662

M60-64

13662

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23105

Males

13679

M60-64

13679

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22382

Males

13369

M60-64

13369

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23984

Males

14012

M60-64

14012

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24363

Males

14142

M60-64

14142

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

24039

Males

13914

M60-64

13914

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24721

Males

14232

M60-64

14232

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25217

Males

14425

M60-64

14425

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23965

Males

13841

M60-64

13841

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24240

Males

13924

M60-64

13924

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23990

Males

13792

M60-64

13792

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25014

Males

14285

M60-64

14285

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24170

Males

13913

M60-64

13913

Passing Analysis

Category:
Athletes Passed
411
Passed By
3081
Net Change
-2670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21051
5K → 10K43912-869#21051#21920
10K → 15K58483-425#21920#22345
15K → 20K71294-223#22345#22568
20K → Half3119+12#22568#22556
Half → 25K30354-324#22556#22880
25K → 30K36406-370#22880#23250
30K → 20M3197-66#23250#23316
20M → 21M13137-124#23316#23440
21M → 35K8106-98#23440#23538
35K → 23M3270-38#23538#23576
23M → 24M2158-37#23576#23613
24M → 40K1363-50#23613#23663
40K → 25.2M535-30#23663#23693
25.2M → Finish1947-28#23693#23721
TOTALS4113081-2670
📊

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