Boston Marathon logo
BOSTON MARATHON 2023

Stephen Dowling

Bib: 27667•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:02
Rank: #16711
Start → 5K
26:02 | 8:23/mi
10K· 6.21 mi
50:40
Rank: #15484 (+1227)
5K → 10K
24:38 | 7:56/mi
15K· 9.32 mi
1:15:39
Rank: #15228 (+256)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:40:51
Rank: #14982 (+246)
15K → 20K
25:12 | 8:07/mi
Half· 13.11 mi
1:46:21
Rank: #14960 (+22)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:06:13
Rank: #14815 (+145)
Half → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:32:23
Rank: #14626 (+189)
25K → 30K
26:10 | 8:25/mi
20M
2:44:05
Rank: #14585 (+41)
30K → 20M
11:42 | 8:37/mi
21M
2:53:10
Rank: #14511 (+74)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:59:33
Rank: #14556 (-45)
21M → 35K
6:23 | 8:32/mi
23M
3:10:45
Rank: #14616 (-60)
35K → 23M
11:12 | 8:57/mi
24M
3:19:29
Rank: #14660 (-44)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
3:27:13
Rank: #14700 (-40)
24M → 40K
7:44 | 9:03/mi
25.2M
3:30:45
Rank: #14764 (-64)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:39:41
Rank: #14861 (-97)
25.2M → Finish
8:56 | 8:46/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:53:20
Pace8:39 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1626:028:2326:02
8:23
-
10K
6.21 mi12:07:5450:408:0924:38
7:56
-0:27
15K
9.32 mi12:32:531:15:398:0724:59
8:02
+0:06
20K
12.43 mi12:58:051:40:518:0725:12
8:07
+0:05
Half
13.11 mi13:03:351:46:218:075:30
8:04
-0:03
25K
15.53 mi13:23:272:06:138:0819:52
8:12
+0:08
30K
18.64 mi13:49:372:32:238:1026:10
8:25
+0:13
20M
20.00 mi14:01:192:44:058:1211:42
8:37
+0:12
21M
21.00 mi14:10:242:53:108:159:05
9:05
+0:28
35K
21.75 mi14:16:472:59:338:156:23
8:32
-0:33
23M
23.00 mi14:27:593:10:458:1811:12
8:57
+0:25
24M
24.00 mi14:36:433:19:298:198:44
8:44
-0:13
40K
24.85 mi14:44:273:27:138:207:44
9:03
+0:19
25.2M
25.20 mi14:47:593:30:458:223:32
10:15
+1:12
Finish
26.22 mi14:56:553:39:418:238:56
8:46
-1:29

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

7:56 /mi

Average Pace

8:23 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:11

46% of race

Time at Steady Pace

1:27:57

40% of race

Time at Slower Pace

31:33

14% of race

Average Pace: 8:23 /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 mi11:43:1626:028:2326:02
8:23
#16711
10K
6.21 mi12:07:5450:408:0924:38
7:56
#15484
15K
9.32 mi12:32:531:15:398:0724:59
8:02
#15228
20K
12.43 mi12:58:051:40:518:0725:12
8:07
#14982
Half
13.11 mi13:03:351:46:218:075:30
8:04
#14960
25K
15.53 mi13:23:272:06:138:0819:52
8:12
#14815
30K
18.64 mi13:49:372:32:238:1026:10
8:25
#14626
20M
20.00 mi14:01:192:44:058:1211:42
8:37
#14585
21M
21.00 mi14:10:242:53:108:159:05
9:05
#14511
35K
21.75 mi14:16:472:59:338:156:23
8:32
#14556
23M
23.00 mi14:27:593:10:458:1811:12
8:57
#14616
24M
24.00 mi14:36:433:19:298:198:44
8:44
#14660
40K
24.85 mi14:44:273:27:138:207:44
9:03
#14700
25.2M
25.20 mi14:47:593:30:458:223:32
10:15
#14764
Finish
26.22 mi14:56:553:39:418:238:56
8:46
#14861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16711109541095414722(Top 55%)10186(Top 67%)10186(Top 193%)
10K6.21 mi3.10 mi15484+122710505+44910505+44914224(Top 53%)10014(Top 66%)10014(Top 189%)
15K9.32 mi3.11 mi15228+25610406+9910406+9914722(Top 55%)10186(Top 67%)10186(Top 193%)
20K12.43 mi3.11 mi14982+24610290+11610290+11614284(Top 54%)9990(Top 66%)9990(Top 189%)
Half13.11 mi0.68 mi14960+2210279+1110279+1114797(Top 56%)10214(Top 67%)10214(Top 193%)
25K15.53 mi2.42 mi14815+14510201+7810201+7814171(Top 53%)9834(Top 65%)9834(Top 186%)
30K18.64 mi3.11 mi14626+18910095+10610095+10613822(Top 52%)9580(Top 63%)9580(Top 181%)
20M20.00 mi1.36 mi14585+4110046+4910046+4914306(Top 54%)9690(Top 64%)9690(Top 183%)
21M21.00 mi1.00 mi14511+749992+549992+5413868(Top 52%)9431(Top 62%)9431(Top 178%)
35K21.75 mi0.75 mi14556-4510000-810000-815455(Top 58%)10051(Top 66%)10051(Top 190%)
23M23.00 mi1.25 mi14616-6010003-310003-315755(Top 59%)10129(Top 67%)10129(Top 192%)
24M24.00 mi1.00 mi14660-449986+179986+1715821(Top 59%)10087(Top 66%)10087(Top 191%)
40K24.85 mi0.85 mi14700-409982+49982+416351(Top 61%)10276(Top 68%)10276(Top 194%)
25.2M25.20 mi0.35 mi14764-649995-139995-1318224(Top 68%)11119(Top 73%)11119(Top 210%)
Finish26.22 mi1.02 mi14861-9710017-2210017-2216828(Top 63%)10529(Top 69%)10529(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14722

Males

10186

M18-39

10186

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14224

Males

10014

M18-39

10014

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14722

Males

10186

M18-39

10186

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14284

Males

9990

M18-39

9990

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14797

Males

10214

M18-39

10214

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14171

Males

9834

M18-39

9834

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13822

Males

9580

M18-39

9580

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14306

Males

9690

M18-39

9690

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13868

Males

9431

M18-39

9431

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15455

Males

10051

M18-39

10051

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15755

Males

10129

M18-39

10129

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15821

Males

10087

M18-39

10087

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16351

Males

10276

M18-39

10276

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18224

Males

11119

M18-39

11119

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16828

Males

10529

M18-39

10529

Passing Analysis

Category:
Athletes Passed
2893
Passed By
1043
Net Change
+1850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16711
5K → 10K127245+1227#16711#15484
10K → 15K33377+256#15484#15228
15K → 20K32680+246#15228#14982
20K → Half4422+22#14982#14960
Half → 25K19853+145#14960#14815
25K → 30K26071+189#14815#14626
30K → 20M11170+41#14626#14585
20M → 21M11642+74#14585#14511
21M → 35K2772-45#14511#14556
35K → 23M57117-60#14556#14616
23M → 24M63107-44#14616#14660
24M → 40K4585-40#14660#14700
40K → 25.2M1478-64#14700#14764
25.2M → Finish27124-97#14764#14861
TOTALS28931043+1850
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing