Boston Marathon logo
BOSTON MARATHON 2023

Evan Rosenberg

Bib: 29388•M

MA

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
33:39
Rank: #25420
Start → 5K
33:39 | 10:50/mi
10K· 6.21 mi
1:06:34
Rank: #25110 (+310)
5K → 10K
32:55 | 10:36/mi
15K· 9.32 mi
1:39:59
Rank: #25036 (+74)
10K → 15K
33:25 | 10:45/mi
20K· 12.43 mi
2:17:56
Rank: #25359 (-323)
15K → 20K
37:57 | 12:13/mi
Half· 13.11 mi
2:25:09
Rank: #25312 (+47)
20K → Half
7:13 | 10:35/mi
25K· 15.53 mi
2:51:12
Rank: #25042 (+270)
Half → 25K
26:03 | 10:45/mi
30K· 18.64 mi
3:29:59
Rank: #25049 (-7)
25K → 30K
38:47 | 12:29/mi
20M
3:47:34
Rank: #25071 (-22)
30K → 20M
17:35 | 12:56/mi
21M
4:00:56
Rank: #25068 (+3)
20M → 21M
13:22 | 13:22/mi
35K· 21.75 mi
4:10:32
Rank: #25093 (-25)
21M → 35K
9:36 | 12:50/mi
23M
4:27:34
Rank: #25135 (-42)
35K → 23M
17:02 | 13:36/mi
24M
4:41:36
Rank: #25215 (-80)
23M → 24M
14:02 | 14:02/mi
40K· 24.85 mi
4:53:22
Rank: #25249 (-34)
24M → 40K
11:46 | 13:46/mi
25.2M
4:58:47
Rank: #25271 (-22)
40K → 25.2M
5:25 | 15:42/mi
Finish· 26.22 mi
5:11:31
Rank: #25297 (-26)
25.2M → Finish
12:44 | 12:30/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
Time2:25:09
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time2:46:22
Pace12:41 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4433:3910:5033:39
10:50
-
10K
6.21 mi12:24:391:06:3410:4332:55
10:36
-0:14
15K
9.32 mi12:58:041:39:5910:4433:25
10:45
+0:09
20K
12.43 mi13:36:012:17:5611:0637:57
12:13
+1:28
Half
13.11 mi13:43:142:25:0911:047:13
10:35
-1:38
25K
15.53 mi14:09:172:51:1211:0126:03
10:45
+0:10
30K
18.64 mi14:48:043:29:5911:1638:47
12:29
+1:44
20M
20.00 mi15:05:393:47:3411:2317:35
12:56
+0:27
21M
21.00 mi15:19:014:00:5611:2813:22
13:22
+0:26
35K
21.75 mi15:28:374:10:3211:319:36
12:50
-0:32
23M
23.00 mi15:45:394:27:3411:3817:02
13:36
+0:46
24M
24.00 mi15:59:414:41:3611:4414:02
14:02
+0:26
40K
24.85 mi16:11:274:53:2211:4811:46
13:46
-0:16
25.2M
25.20 mi16:16:524:58:4711:515:25
15:42
+1:56
Finish
26.22 mi16:29:365:11:3111:5312:44
12:30
-3:12

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

10:35 /mi

Average Pace

11:53 /mi

Slowest Pace

15:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:15

43% of race

Time at Steady Pace

1:56:39

37% of race

Time at Slower Pace

1:01:37

20% of race

Average Pace: 11:53 /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 mi11:51:4433:3910:5033:39
10:50
#25420
10K
6.21 mi12:24:391:06:3410:4332:55
10:36
#25110
15K
9.32 mi12:58:041:39:5910:4433:25
10:45
#25036
20K
12.43 mi13:36:012:17:5611:0637:57
12:13
#25359
Half
13.11 mi13:43:142:25:0911:047:13
10:35
#25312
25K
15.53 mi14:09:172:51:1211:0126:03
10:45
#25042
30K
18.64 mi14:48:043:29:5911:1638:47
12:29
#25049
20M
20.00 mi15:05:393:47:3411:2317:35
12:56
#25071
21M
21.00 mi15:19:014:00:5611:2813:22
13:22
#25068
35K
21.75 mi15:28:374:10:3211:319:36
12:50
#25093
23M
23.00 mi15:45:394:27:3411:3817:02
13:36
#25135
24M
24.00 mi15:59:414:41:3611:4414:02
14:02
#25215
40K
24.85 mi16:11:274:53:2211:4811:46
13:46
#25249
25.2M
25.20 mi16:16:524:58:4711:515:25
15:42
#25271
Finish
26.22 mi16:29:365:11:3111:5312:44
12:30
#25297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25420147191471924873(Top 93%)14458(Top 95%)14458(Top 274%)
10K6.21 mi3.10 mi25110+31014590+12914590+12924844(Top 93%)14472(Top 95%)14472(Top 274%)
15K9.32 mi3.11 mi25036+7414557+3314557+3324873(Top 93%)14458(Top 95%)14458(Top 274%)
20K12.43 mi3.11 mi25359-32314677-12014677-12025778(Top 97%)14823(Top 98%)14823(Top 280%)
Half13.11 mi0.68 mi25312+4714652+2514652+2524336(Top 91%)14199(Top 94%)14199(Top 269%)
25K15.53 mi2.42 mi25042+27014536+11614536+11623582(Top 89%)13839(Top 91%)13839(Top 262%)
30K18.64 mi3.11 mi25049-714513+2314513+2324979(Top 94%)14402(Top 95%)14402(Top 273%)
20M20.00 mi1.36 mi25071-2214515-214515-225120(Top 94%)14435(Top 95%)14435(Top 273%)
21M21.00 mi1.00 mi25068+314505+1014505+1024464(Top 92%)14120(Top 93%)14120(Top 267%)
35K21.75 mi0.75 mi25093-2514509-414509-425438(Top 96%)14533(Top 96%)14533(Top 275%)
23M23.00 mi1.25 mi25135-4214518-914518-925576(Top 96%)14609(Top 96%)14609(Top 276%)
24M24.00 mi1.00 mi25215-8014548-3014548-3026088(Top 98%)14858(Top 98%)14858(Top 281%)
40K24.85 mi0.85 mi25249-3414560-1214560-1225539(Top 96%)14570(Top 96%)14570(Top 276%)
25.2M25.20 mi0.35 mi25271-2214573-1314573-1326013(Top 98%)14816(Top 98%)14816(Top 280%)
Finish26.22 mi1.02 mi25297-2614582-914582-925683(Top 96%)14640(Top 96%)14640(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24873

Males

14458

M18-39

14458

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24844

Males

14472

M18-39

14472

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24873

Males

14458

M18-39

14458

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25778

Males

14823

M18-39

14823

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24336

Males

14199

M18-39

14199

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23582

Males

13839

M18-39

13839

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

24979

Males

14402

M18-39

14402

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

25120

Males

14435

M18-39

14435

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24464

Males

14120

M18-39

14120

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25438

Males

14533

M18-39

14533

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25576

Males

14609

M18-39

14609

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26088

Males

14858

M18-39

14858

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25539

Males

14570

M18-39

14570

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26013

Males

14816

M18-39

14816

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25683

Males

14640

M18-39

14640

Passing Analysis

Category:
Athletes Passed
1070
Passed By
947
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25420
5K → 10K36555+310#25420#25110
10K → 15K15278+74#25110#25036
15K → 20K24347-323#25036#25359
20K → Half470+47#25359#25312
Half → 25K2711+270#25312#25042
25K → 30K8087-7#25042#25049
30K → 20M4062-22#25049#25071
20M → 21M3330+3#25071#25068
21M → 35K1237-25#25068#25093
35K → 23M2163-42#25093#25135
23M → 24M484-80#25135#25215
24M → 40K741-34#25215#25249
40K → 25.2M325-22#25249#25271
25.2M → Finish1137-26#25271#25297
TOTALS1070947+123
📊

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