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BOSTON MARATHON 2023

Rowan Davies

Bib: 4012•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:01
Rank: #949
Start → 5K
19:01 | 6:07/mi
10K· 6.21 mi
38:28
Rank: #1174 (-225)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:05
Rank: #1299 (-125)
10K → 15K
19:37 | 6:19/mi
20K· 12.43 mi
1:17:55
Rank: #1384 (-85)
15K → 20K
19:50 | 6:23/mi
Half· 13.11 mi
1:22:18
Rank: #1430 (-46)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:38:13
Rank: #1580 (-150)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:00:03
Rank: #1923 (-343)
25K → 30K
21:50 | 7:02/mi
20M
2:10:28
Rank: #2254 (-331)
30K → 20M
10:25 | 7:40/mi
21M
2:20:05
Rank: #2889 (-635)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
2:26:10
Rank: #3239 (-350)
21M → 35K
6:05 | 8:08/mi
23M
2:37:07
Rank: #4035 (-796)
35K → 23M
10:57 | 8:45/mi
24M
2:45:51
Rank: #4611 (-576)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
2:53:24
Rank: #4940 (-329)
24M → 40K
7:33 | 8:50/mi
25.2M
2:56:31
Rank: #5008 (-68)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:05:01
Rank: #5263 (-255)
25.2M → Finish
8:30 | 8:20/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:18
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:42:43
Pace7:50 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4519:016:0719:01
6:07
-
10K
6.21 mi10:40:1238:286:1119:27
6:16
+0:09
15K
9.32 mi10:59:4958:056:1419:37
6:19
+0:03
20K
12.43 mi11:19:391:17:556:1619:50
6:23
+0:04
Half
13.11 mi11:24:021:22:186:174:23
6:25
+0:02
25K
15.53 mi11:39:571:38:136:1915:55
6:34
+0:09
30K
18.64 mi12:01:472:00:036:2621:50
7:02
+0:28
20M
20.00 mi12:12:122:10:286:3110:25
7:40
+0:38
21M
21.00 mi12:21:492:20:056:409:37
9:37
+1:57
35K
21.75 mi12:27:542:26:106:436:05
8:08
-1:29
23M
23.00 mi12:38:512:37:076:5010:57
8:45
+0:37
24M
24.00 mi12:47:352:45:516:558:44
8:44
-0:01
40K
24.85 mi12:55:082:53:246:597:33
8:50
+0:06
25.2M
25.20 mi12:58:152:56:317:003:07
9:02
+0:12
Finish
26.22 mi13:06:453:05:017:048:30
8:20
-0:42

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

6:07 /mi

Average Pace

7:04 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:00:03

65% of race

Time at Steady Pace

16:30

9% of race

Time at Slower Pace

48:28

26% of race

Average Pace: 7:03 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:4519:016:0719:01
6:07
#949
10K
6.21 mi10:40:1238:286:1119:27
6:16
#1174
15K
9.32 mi10:59:4958:056:1419:37
6:19
#1299
20K
12.43 mi11:19:391:17:556:1619:50
6:23
#1384
Half
13.11 mi11:24:021:22:186:174:23
6:25
#1430
25K
15.53 mi11:39:571:38:136:1915:55
6:34
#1580
30K
18.64 mi12:01:472:00:036:2621:50
7:02
#1923
20M
20.00 mi12:12:122:10:286:3110:25
7:40
#2254
21M
21.00 mi12:21:492:20:056:409:37
9:37
#2889
35K
21.75 mi12:27:542:26:106:436:05
8:08
#3239
23M
23.00 mi12:38:512:37:076:5010:57
8:45
#4035
24M
24.00 mi12:47:352:45:516:558:44
8:44
#4611
40K
24.85 mi12:55:082:53:246:597:33
8:50
#4940
25.2M
25.20 mi12:58:152:56:317:003:07
9:02
#5008
Finish
26.22 mi13:06:453:05:017:048:30
8:20
#5263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9498938931721(Top 6%)1647(Top 11%)1647(Top 31%)
10K6.21 mi3.10 mi1174-2251111-2181111-2181600(Top 6%)1530(Top 10%)1530(Top 29%)
15K9.32 mi3.11 mi1299-1251236-1251236-1251721(Top 6%)1647(Top 11%)1647(Top 31%)
20K12.43 mi3.11 mi1384-851318-821318-821737(Top 7%)1663(Top 11%)1663(Top 31%)
Half13.11 mi0.68 mi1430-461363-451363-452406(Top 9%)2311(Top 15%)2311(Top 44%)
25K15.53 mi2.42 mi1580-1501512-1491512-1492525(Top 9%)2416(Top 16%)2416(Top 46%)
30K18.64 mi3.11 mi1923-3431840-3281840-3284535(Top 17%)4199(Top 28%)4199(Top 79%)
20M20.00 mi1.36 mi2254-3312163-3232163-3237882(Top 30%)6508(Top 43%)6508(Top 123%)
21M21.00 mi1.00 mi2889-6352757-5942757-59416466(Top 62%)10543(Top 69%)10543(Top 199%)
35K21.75 mi0.75 mi3239-3503067-3103067-31012934(Top 49%)8932(Top 59%)8932(Top 169%)
23M23.00 mi1.25 mi4035-7963783-7163783-71614628(Top 55%)9630(Top 63%)9630(Top 182%)
24M24.00 mi1.00 mi4611-5764293-5104293-51015808(Top 59%)10074(Top 66%)10074(Top 191%)
40K24.85 mi0.85 mi4940-3294551-2584551-25815189(Top 57%)9755(Top 64%)9755(Top 185%)
25.2M25.20 mi0.35 mi5008-684607-564607-5612630(Top 47%)8543(Top 56%)8543(Top 162%)
Finish26.22 mi1.02 mi5263-2554811-2044811-20414302(Top 54%)9374(Top 62%)9374(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1721

Males

1647

M18-39

1647

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1600

Males

1530

M18-39

1530

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1721

Males

1647

M18-39

1647

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1737

Males

1663

M18-39

1663

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2406

Males

2311

M18-39

2311

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2525

Males

2416

M18-39

2416

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4535

Males

4199

M18-39

4199

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7882

Males

6508

M18-39

6508

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16466

Males

10543

M18-39

10543

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12934

Males

8932

M18-39

8932

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14628

Males

9630

M18-39

9630

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15808

Males

10074

M18-39

10074

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15189

Males

9755

M18-39

9755

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12630

Males

8543

M18-39

8543

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14302

Males

9374

M18-39

9374

Passing Analysis

Category:
Athletes Passed
77
Passed By
4391
Net Change
-4314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#949
5K → 10K2227-225#949#1174
10K → 15K9134-125#1174#1299
15K → 20K19104-85#1299#1384
20K → Half248-46#1384#1430
Half → 25K7157-150#1430#1580
25K → 30K9352-343#1580#1923
30K → 20M4335-331#1923#2254
20M → 21M0635-635#2254#2889
21M → 35K2352-350#2889#3239
35K → 23M2798-796#3239#4035
23M → 24M4580-576#4035#4611
24M → 40K6335-329#4611#4940
40K → 25.2M371-68#4940#5008
25.2M → Finish8263-255#5008#5263
TOTALS774391-4314
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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