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BOSTON MARATHON 2023

Rowan Griffin

Bib: 3805•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 23%
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
6:30/mi
20:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:32/mi
40:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:00:52
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:22:18
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:26:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:43/mi
1:43:02
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
2:04:25
↑ 181↓ 1480.2%
20M
6:59/mi
2:13:54
↑ 64↓ 500.2%
21M
7:16/mi
2:21:10
↑ 106↓ 241.6%
35K· 21.75 mi
6:48/mi
2:26:15
↑ 17↓ 861.7%
23M
7:03/mi
2:35:05
↑ 23↓ 630.6%
24M
6:54/mi
2:41:59
↓ 821.3%
40K· 24.85 mi
7:03/mi
2:48:01
↓ 200.3%
25.2M
7:41/mi
2:50:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
2:57:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:31:13
Pace6:57 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3020:116:3020:11
6:30
-
10K
6.21 mi10:41:4840:296:3120:18
6:32
+0:02
15K
9.32 mi11:02:111:00:526:3220:23
6:34
+0:02
20K
12.43 mi11:23:371:22:186:3721:26
6:54
+0:20
Half
13.11 mi11:28:031:26:446:374:26
6:30
-0:24
25K
15.53 mi11:44:211:43:026:3816:18
6:43
+0:13
30K
18.64 mi12:05:442:04:256:4021:23
6:53
+0:10
20M
20.00 mi12:15:132:13:546:429:29
6:59
+0:06
21M
21.00 mi12:22:292:21:106:437:16
7:16
+0:17
35K
21.75 mi12:27:342:26:156:435:05
6:48
-0:28
23M
23.00 mi12:36:242:35:056:458:50
7:03
+0:15
24M
24.00 mi12:43:182:41:596:456:54
6:54
-0:09
40K
24.85 mi12:49:202:48:016:466:02
7:03
+0:09
25.2M
25.20 mi12:51:592:50:406:462:39
7:41
+0:38
Finish
26.22 mi12:59:162:57:576:487:17
7:09
-0:32

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

6:30 /mi

Average Pace

6:48 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:45

90% of race

Time at Steady Pace

14:33

8% of race

Time at Slower Pace

2:39

1% of race

Average Pace: 6:47 /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 mi10:21:3020:116:3020:11
6:30
#2258
10K
6.21 mi10:41:4840:296:3120:18
6:32
#2616
15K
9.32 mi11:02:111:00:526:3220:23
6:34
#2699
20K
12.43 mi11:23:371:22:186:3721:26
6:54
#3240
Half
13.11 mi11:28:031:26:446:374:26
6:30
#3205
25K
15.53 mi11:44:211:43:026:3816:18
6:43
#3231
30K
18.64 mi12:05:442:04:256:4021:23
6:53
#3236
20M
20.00 mi12:15:132:13:546:429:29
6:59
#3254
21M
21.00 mi12:22:292:21:106:437:16
7:16
#3239
35K
21.75 mi12:27:342:26:156:435:05
6:48
#3268
23M
23.00 mi12:36:242:35:056:458:50
7:03
#3293
24M
24.00 mi12:43:182:41:596:456:54
6:54
#3324
40K
24.85 mi12:49:202:48:016:466:02
7:03
#3345
25.2M
25.20 mi12:51:592:50:406:462:39
7:41
#3358
Finish
26.22 mi12:59:162:57:576:487:17
7:09
#3474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2258215621562999(Top 11%)2863(Top 19%)2863(Top 128%)
10K6.21 mi3.10 mi2616-3582496-3402496-3403003(Top 11%)2867(Top 19%)2867(Top 128%)
15K9.32 mi3.11 mi2699-832578-822578-822999(Top 11%)2863(Top 19%)2863(Top 128%)
20K12.43 mi3.11 mi3240-5413082-5043082-5045318(Top 20%)4908(Top 32%)4908(Top 219%)
Half13.11 mi0.68 mi3205+353051+313051+312817(Top 11%)2701(Top 18%)2701(Top 121%)
25K15.53 mi2.42 mi3231-263079-283079-283543(Top 13%)3348(Top 22%)3348(Top 149%)
30K18.64 mi3.11 mi3236-53080-13080-13534(Top 13%)3318(Top 22%)3318(Top 148%)
20M20.00 mi1.36 mi3254-183087-73087-73886(Top 15%)3614(Top 24%)3614(Top 161%)
21M21.00 mi1.00 mi3239+153071+163071+163447(Top 13%)3205(Top 21%)3205(Top 143%)
35K21.75 mi0.75 mi3268-293094-233094-234121(Top 15%)3771(Top 25%)3771(Top 168%)
23M23.00 mi1.25 mi3293-253119-253119-254037(Top 15%)3713(Top 24%)3713(Top 166%)
24M24.00 mi1.00 mi3324-313147-283147-284141(Top 16%)3767(Top 25%)3767(Top 168%)
40K24.85 mi0.85 mi3345-213164-173164-174120(Top 15%)3681(Top 24%)3681(Top 164%)
25.2M25.20 mi0.35 mi3358-133173-93173-94726(Top 18%)4079(Top 27%)4079(Top 182%)
Finish26.22 mi1.02 mi3474-1163274-1013274-1016055(Top 23%)4962(Top 33%)4962(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2999

Males

2863

M40-44

2863

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3003

Males

2867

M40-44

2867

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2999

Males

2863

M40-44

2863

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5318

Males

4908

M40-44

4908

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

2817

Males

2701

M40-44

2701

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3543

Males

3348

M40-44

3348

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3534

Males

3318

M40-44

3318

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3886

Males

3614

M40-44

3614

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3447

Males

3205

M40-44

3205

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4121

Males

3771

M40-44

3771

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4037

Males

3713

M40-44

3713

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4141

Males

3767

M40-44

3767

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4120

Males

3681

M40-44

3681

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4726

Males

4079

M40-44

4079

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6055

Males

4962

M40-44

4962

Passing Analysis

Category:
Athletes Passed
544
Passed By
1760
Net Change
-1216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2258
5K → 10K29387-358#2258#2616
10K → 15K48131-83#2616#2699
15K → 20K7548-541#2699#3240
20K → Half405+35#3240#3205
Half → 25K5177-26#3205#3231
25K → 30K98103-5#3231#3236
30K → 20M5674-18#3236#3254
20M → 21M4732+15#3254#3239
21M → 35K2352-29#3239#3268
35K → 23M4772-25#3268#3293
23M → 24M3263-31#3293#3324
24M → 40K2950-21#3324#3345
40K → 25.2M1629-13#3345#3358
25.2M → Finish21137-116#3358#3474
TOTALS5441760-1216
📊

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