Boston Marathon logo
BOSTON MARATHON 2023

Dylan Rocha

Bib: 644•M

IN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:03
Rank: #964
Start → 5K
19:03 | 6:08/mi
10K· 6.21 mi
38:33
Rank: #1210 (-246)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:16
Rank: #1378 (-168)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:17:50
Rank: #1354 (+24)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:22:00
Rank: #1329 (+25)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:49
Rank: #1218 (+111)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:55:16
Rank: #972 (+246)
25K → 30K
18:27 | 5:56/mi
20M
2:03:08
Rank: #874 (+98)
30K → 20M
7:52 | 5:47/mi
21M
2:09:10
Rank: #800 (+74)
20M → 21M
6:02 | 6:02/mi
35K· 21.75 mi
2:13:13
Rank: #751 (+49)
21M → 35K
4:03 | 5:25/mi
23M
2:20:28
Rank: #673 (+78)
35K → 23M
7:15 | 5:47/mi
24M
2:26:00
Rank: #628 (+45)
23M → 24M
5:32 | 5:32/mi
40K· 24.85 mi
2:30:58
Rank: #604 (+24)
24M → 40K
4:58 | 5:49/mi
25.2M
2:33:07
Rank: #593 (+11)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:38:53
Rank: #563 (+30)
25.2M → Finish
5:46 | 5:40/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 Half
Distance13.11 mi
Time1:22:00
Pace6:15 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:16:53
Pace5:52 /mi
📊Negative Split: 6.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1519:036:0819:03
6:08
-
10K
6.21 mi10:38:4538:336:1219:30
6:17
+0:09
15K
9.32 mi10:58:2858:166:1519:43
6:21
+0:04
20K
12.43 mi11:18:021:17:506:1619:34
6:18
-0:03
Half
13.11 mi11:22:121:22:006:154:10
6:06
-0:12
25K
15.53 mi11:37:011:36:496:1414:49
6:07
+0:01
30K
18.64 mi11:55:281:55:166:1118:27
5:56
-0:11
20M
20.00 mi12:03:202:03:086:097:52
5:47
-0:09
21M
21.00 mi12:09:222:09:106:096:02
6:02
+0:15
35K
21.75 mi12:13:252:13:136:084:03
5:25
-0:37
23M
23.00 mi12:20:402:20:286:067:15
5:47
+0:22
24M
24.00 mi12:26:122:26:006:055:32
5:32
-0:15
40K
24.85 mi12:31:102:30:586:044:58
5:49
+0:17
25.2M
25.20 mi12:33:192:33:076:052:09
6:14
+0:25
Finish
26.22 mi12:39:052:38:536:045:46
5:40
-0:34

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

5:25 /mi

Average Pace

6:04 /mi

Slowest Pace

6:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:53

34% of race

Time at Steady Pace

1:45:00

66% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:19:1519:036:0819:03
6:08
#964
10K
6.21 mi10:38:4538:336:1219:30
6:17
#1210
15K
9.32 mi10:58:2858:166:1519:43
6:21
#1378
20K
12.43 mi11:18:021:17:506:1619:34
6:18
#1354
Half
13.11 mi11:22:121:22:006:154:10
6:06
#1329
25K
15.53 mi11:37:011:36:496:1414:49
6:07
#1218
30K
18.64 mi11:55:281:55:166:1118:27
5:56
#972
20M
20.00 mi12:03:202:03:086:097:52
5:47
#874
21M
21.00 mi12:09:222:09:106:096:02
6:02
#800
35K
21.75 mi12:13:252:13:136:084:03
5:25
#751
23M
23.00 mi12:20:402:20:286:067:15
5:47
#673
24M
24.00 mi12:26:122:26:006:055:32
5:32
#628
40K
24.85 mi12:31:102:30:586:044:58
5:49
#604
25.2M
25.20 mi12:33:192:33:076:052:09
6:14
#593
Finish
26.22 mi12:39:052:38:536:045:46
5:40
#563
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9649089081841(Top 7%)1763(Top 12%)1763(Top 33%)
10K6.21 mi3.10 mi1210-2461147-2391147-2391653(Top 6%)1579(Top 10%)1579(Top 30%)
15K9.32 mi3.11 mi1378-1681313-1661313-1661841(Top 7%)1763(Top 12%)1763(Top 33%)
20K12.43 mi3.11 mi1354+241288+251288+251361(Top 5%)1300(Top 9%)1300(Top 25%)
Half13.11 mi0.68 mi1329+251267+211267+211005(Top 4%)957(Top 6%)957(Top 18%)
25K15.53 mi2.42 mi1218+1111163+1041163+104769(Top 3%)728(Top 5%)728(Top 14%)
30K18.64 mi3.11 mi972+246922+241922+241309(Top 1%)284(Top 2%)284(Top 5%)
20M20.00 mi1.36 mi874+98827+95827+95156(Top 0.6%)134(Top 0.9%)134(Top 3%)
21M21.00 mi1.00 mi800+74757+70757+70129(Top 0.5%)110(Top 0.7%)110(Top 2%)
35K21.75 mi0.75 mi751+49709+48709+4872(Top 0.3%)56(Top 0.4%)56(Top 1%)
23M23.00 mi1.25 mi673+78631+78631+78130(Top 0.5%)111(Top 0.7%)111(Top 2%)
24M24.00 mi1.00 mi628+45588+43588+4391(Top 0.3%)74(Top 0.5%)74(Top 1%)
40K24.85 mi0.85 mi604+24564+24564+24159(Top 0.6%)144(Top 0.9%)144(Top 3%)
25.2M25.20 mi0.35 mi593+11553+11553+11189(Top 0.7%)170(Top 1%)170(Top 3%)
Finish26.22 mi1.02 mi563+30525+28525+28198(Top 0.7%)182(Top 1%)182(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1841

Males

1763

M18-39

1763

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1653

Males

1579

M18-39

1579

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1841

Males

1763

M18-39

1763

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1361

Males

1300

M18-39

1300

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1005

Males

957

M18-39

957

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

769

Males

728

M18-39

728

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

309

Males

284

M18-39

284

30K→20M

18.6 - 20.0 mi

Top 0.6%
×5stories
+64ft-50ft

Overall

156

Males

134

M18-39

134

20M→21M

20.0 - 21.0 mi

Top 0.5%
×8stories
+106ft-24ft

Overall

129

Males

110

M18-39

110

21M→35K

21.0 - 21.8 mi

Top 0.3%
×7stories
+17ft-86ft

Overall

72

Males

56

M18-39

56

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

130

Males

111

M18-39

111

23M→24M

23.0 - 24.0 mi

Top 0.3%
×6stories
+12ft-82ft

Overall

91

Males

74

M18-39

74

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

159

Males

144

M18-39

144

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

189

Males

170

M18-39

170

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

198

Males

182

M18-39

182

Passing Analysis

Category:
Athletes Passed
859
Passed By
458
Net Change
+401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#964
5K → 10K4250-246#964#1210
10K → 15K9177-168#1210#1378
15K → 20K5430+24#1378#1354
20K → Half250+25#1354#1329
Half → 25K1110+111#1329#1218
25K → 30K2460+246#1218#972
30K → 20M980+98#972#874
20M → 21M740+74#874#800
21M → 35K490+49#800#751
35K → 23M780+78#751#673
23M → 24M450+45#673#628
24M → 40K240+24#628#604
40K → 25.2M110+11#604#593
25.2M → Finish311+30#593#563
TOTALS859458+401
📊

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