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BOSTON MARATHON 2023

Geoff Burrell

Bib: 1427•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4780
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
41:48
Rank: #4238 (+542)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:19
Rank: #3865 (+373)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:23:06
Rank: #3732 (+133)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:32
Rank: #3678 (+54)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:50
Rank: #3625 (+53)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:04:38
Rank: #3331 (+294)
25K → 30K
20:48 | 6:42/mi
20M
2:14:02
Rank: #3298 (+33)
30K → 20M
9:24 | 6:55/mi
21M
2:21:10
Rank: #3235 (+63)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:25:57
Rank: #3156 (+79)
21M → 35K
4:47 | 6:24/mi
23M
2:34:12
Rank: #3029 (+127)
35K → 23M
8:15 | 6:35/mi
24M
2:40:28
Rank: #2881 (+148)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:45:50
Rank: #2727 (+154)
24M → 40K
5:22 | 6:17/mi
25.2M
2:48:11
Rank: #2687 (+40)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:54:21
Rank: #2551 (+136)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:49
Pace6:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4721:106:4921:10
6:49
-
10K
6.21 mi10:42:2541:486:4420:38
6:38
-0:11
15K
9.32 mi11:02:561:02:196:4120:31
6:36
-0:02
20K
12.43 mi11:23:431:23:066:4120:47
6:41
+0:05
Half
13.11 mi11:28:091:27:326:414:26
6:30
-0:11
25K
15.53 mi11:44:271:43:506:4116:18
6:43
+0:13
30K
18.64 mi12:05:152:04:386:4120:48
6:42
-0:01
20M
20.00 mi12:14:392:14:026:429:24
6:55
+0:13
21M
21.00 mi12:21:472:21:106:437:08
7:08
+0:13
35K
21.75 mi12:26:342:25:576:434:47
6:24
-0:44
23M
23.00 mi12:34:492:34:126:428:15
6:35
+0:11
24M
24.00 mi12:41:052:40:286:416:16
6:16
-0:19
40K
24.85 mi12:46:272:45:506:405:22
6:17
+0:01
25.2M
25.20 mi12:48:482:48:116:402:21
6:49
+0:32
Finish
26.22 mi12:54:582:54:216:396:10
6:03
-0:46

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

6:03 /mi

Average Pace

6:39 /mi

Slowest Pace

7:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:25

44% of race

Time at Steady Pace

1:37:56

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:21:4721:106:4921:10
6:49
#4780
10K
6.21 mi10:42:2541:486:4420:38
6:38
#4238
15K
9.32 mi11:02:561:02:196:4120:31
6:36
#3865
20K
12.43 mi11:23:431:23:066:4120:47
6:41
#3732
Half
13.11 mi11:28:091:27:326:414:26
6:30
#3678
25K
15.53 mi11:44:271:43:506:4116:18
6:43
#3625
30K
18.64 mi12:05:152:04:386:4120:48
6:42
#3331
20M
20.00 mi12:14:392:14:026:429:24
6:55
#3298
21M
21.00 mi12:21:472:21:106:437:08
7:08
#3235
35K
21.75 mi12:26:342:25:576:434:47
6:24
#3156
23M
23.00 mi12:34:492:34:126:428:15
6:35
#3029
24M
24.00 mi12:41:052:40:286:416:16
6:16
#2881
40K
24.85 mi12:46:272:45:506:405:22
6:17
#2727
25.2M
25.20 mi12:48:482:48:116:402:21
6:49
#2687
Finish
26.22 mi12:54:582:54:216:396:10
6:03
#2551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4780444644463310(Top 12%)3140(Top 21%)3140(Top 140%)
10K6.21 mi3.10 mi4238+5423971+4753971+4753787(Top 14%)3571(Top 24%)3571(Top 159%)
15K9.32 mi3.11 mi3865+3733642+3293642+3293310(Top 12%)3140(Top 21%)3140(Top 140%)
20K12.43 mi3.11 mi3732+1333529+1133529+1133469(Top 13%)3283(Top 22%)3283(Top 146%)
Half13.11 mi0.68 mi3678+543480+493480+492759(Top 10%)2643(Top 17%)2643(Top 118%)
25K15.53 mi2.42 mi3625+533430+503430+503520(Top 13%)3325(Top 22%)3325(Top 148%)
30K18.64 mi3.11 mi3331+2943161+2693161+2692380(Top 9%)2266(Top 15%)2266(Top 101%)
20M20.00 mi1.36 mi3298+333124+373124+373501(Top 13%)3266(Top 22%)3266(Top 146%)
21M21.00 mi1.00 mi3235+633067+573067+572748(Top 10%)2582(Top 17%)2582(Top 115%)
35K21.75 mi0.75 mi3156+792993+742993+741968(Top 7%)1872(Top 12%)1872(Top 84%)
23M23.00 mi1.25 mi3029+1272879+1142879+1141741(Top 7%)1651(Top 11%)1651(Top 74%)
24M24.00 mi1.00 mi2881+1482737+1422737+1421279(Top 5%)1213(Top 8%)1213(Top 54%)
40K24.85 mi0.85 mi2727+1542597+1402597+140853(Top 3%)809(Top 5%)809(Top 36%)
25.2M25.20 mi0.35 mi2687+402561+362561+361231(Top 5%)1170(Top 8%)1170(Top 52%)
Finish26.22 mi1.02 mi2551+1362431+1302431+130869(Top 3%)833(Top 5%)833(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3310

Males

3140

M40-44

3140

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3787

Males

3571

M40-44

3571

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3310

Males

3140

M40-44

3140

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3469

Males

3283

M40-44

3283

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2759

Males

2643

M40-44

2643

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3520

Males

3325

M40-44

3325

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2380

Males

2266

M40-44

2266

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3501

Males

3266

M40-44

3266

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2748

Males

2582

M40-44

2582

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1968

Males

1872

M40-44

1872

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1741

Males

1651

M40-44

1651

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1279

Males

1213

M40-44

1213

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

853

Males

809

M40-44

809

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1231

Males

1170

M40-44

1170

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

869

Males

833

M40-44

833

Passing Analysis

Category:
Athletes Passed
2461
Passed By
232
Net Change
+2229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4780
5K → 10K58442+542#4780#4238
10K → 15K38815+373#4238#3865
15K → 20K17643+133#3865#3732
20K → Half540+54#3732#3678
Half → 25K10552+53#3678#3625
25K → 30K30410+294#3625#3331
30K → 20M7744+33#3331#3298
20M → 21M7916+63#3298#3235
21M → 35K834+79#3235#3156
35K → 23M1325+127#3156#3029
23M → 24M1491+148#3029#2881
24M → 40K1540+154#2881#2727
40K → 25.2M400+40#2727#2687
25.2M → Finish1360+136#2687#2551
TOTALS2461232+2229
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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