Boston Marathon logo
BOSTON MARATHON 2023

Joe Donaldson

Bib: 1773•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:28
Rank: #1316
Start → 5K
19:28 | 6:16/mi
10K· 6.21 mi
38:52
Rank: #1388 (-72)
5K → 10K
19:24 | 6:15/mi
15K· 9.32 mi
58:23
Rank: #1433 (-45)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:17:56
Rank: #1389 (+44)
15K → 20K
19:33 | 6:18/mi
Half· 13.11 mi
1:22:13
Rank: #1398 (-9)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:35
Rank: #1398
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:57:37
Rank: #1373 (+25)
25K → 30K
20:02 | 6:27/mi
20M
2:06:32
Rank: #1388 (-15)
30K → 20M
8:55 | 6:34/mi
21M
2:13:31
Rank: #1410 (-22)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:18:20
Rank: #1424 (-14)
21M → 35K
4:49 | 6:26/mi
23M
2:26:50
Rank: #1462 (-38)
35K → 23M
8:30 | 6:47/mi
24M
2:33:34
Rank: #1497 (-35)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:39:39
Rank: #1571 (-74)
24M → 40K
6:05 | 7:07/mi
25.2M
2:42:07
Rank: #1571
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:48:50
Rank: #1584 (-13)
25.2M → Finish
6:43 | 6:35/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
Time1:22:13
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:26:37
Pace6:36 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4919:286:1619:28
6:16
-
10K
6.21 mi10:39:1338:526:1519:24
6:15
-0:01
15K
9.32 mi10:58:4458:236:1619:31
6:17
+0:02
20K
12.43 mi11:18:171:17:566:1619:33
6:18
+0:01
Half
13.11 mi11:22:341:22:136:164:17
6:17
-0:01
25K
15.53 mi11:37:561:37:356:1715:22
6:20
+0:03
30K
18.64 mi11:57:581:57:376:1920:02
6:27
+0:07
20M
20.00 mi12:06:532:06:326:208:55
6:34
+0:07
21M
21.00 mi12:13:522:13:316:216:59
6:59
+0:25
35K
21.75 mi12:18:412:18:206:224:49
6:26
-0:33
23M
23.00 mi12:27:112:26:506:238:30
6:47
+0:21
24M
24.00 mi12:33:552:33:346:246:44
6:44
-0:03
40K
24.85 mi12:40:002:39:396:256:05
7:07
+0:23
25.2M
25.20 mi12:42:282:42:076:262:28
7:09
+0:02
Finish
26.22 mi12:49:112:48:506:276:43
6:35
-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

6:15 /mi

Average Pace

6:27 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:18

91% of race

Time at Steady Pace

15:32

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:19:4919:286:1619:28
6:16
#1316
10K
6.21 mi10:39:1338:526:1519:24
6:15
#1388
15K
9.32 mi10:58:4458:236:1619:31
6:17
#1433
20K
12.43 mi11:18:171:17:566:1619:33
6:18
#1389
Half
13.11 mi11:22:341:22:136:164:17
6:17
#1398
25K
15.53 mi11:37:561:37:356:1715:22
6:20
#1398
30K
18.64 mi11:57:581:57:376:1920:02
6:27
#1373
20M
20.00 mi12:06:532:06:326:208:55
6:34
#1388
21M
21.00 mi12:13:522:13:316:216:59
6:59
#1410
35K
21.75 mi12:18:412:18:206:224:49
6:26
#1424
23M
23.00 mi12:27:112:26:506:238:30
6:47
#1462
24M
24.00 mi12:33:552:33:346:246:44
6:44
#1497
40K
24.85 mi12:40:002:39:396:256:05
7:07
#1571
25.2M
25.20 mi12:42:282:42:076:262:28
7:09
#1571
Finish
26.22 mi12:49:112:48:506:276:43
6:35
#1584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1316125012501569(Top 6%)1497(Top 10%)1497(Top 28%)
10K6.21 mi3.10 mi1388-721322-721322-721527(Top 6%)1460(Top 10%)1460(Top 28%)
15K9.32 mi3.11 mi1433-451368-461368-461569(Top 6%)1497(Top 10%)1497(Top 28%)
20K12.43 mi3.11 mi1389+441323+451323+451353(Top 5%)1293(Top 9%)1293(Top 24%)
Half13.11 mi0.68 mi1398-91332-91332-91690(Top 6%)1620(Top 11%)1620(Top 31%)
25K15.53 mi2.42 mi13981335-31335-31469(Top 6%)1406(Top 9%)1406(Top 27%)
30K18.64 mi3.11 mi1373+251311+241311+241369(Top 5%)1311(Top 9%)1311(Top 25%)
20M20.00 mi1.36 mi1388-151326-151326-151682(Top 6%)1605(Top 11%)1605(Top 30%)
21M21.00 mi1.00 mi1410-221347-211347-212056(Top 8%)1942(Top 13%)1942(Top 37%)
35K21.75 mi0.75 mi1424-141360-131360-132092(Top 8%)1985(Top 13%)1985(Top 38%)
23M23.00 mi1.25 mi1462-381396-361396-362557(Top 10%)2398(Top 16%)2398(Top 45%)
24M24.00 mi1.00 mi1497-351428-321428-323249(Top 12%)3004(Top 20%)3004(Top 57%)
40K24.85 mi0.85 mi1571-741501-731501-734404(Top 17%)3905(Top 26%)3905(Top 74%)
25.2M25.20 mi0.35 mi1571150115012249(Top 8%)2082(Top 14%)2082(Top 39%)
Finish26.22 mi1.02 mi1584-131514-131514-132907(Top 11%)2632(Top 17%)2632(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1569

Males

1497

M18-39

1497

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1527

Males

1460

M18-39

1460

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1569

Males

1497

M18-39

1497

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1353

Males

1293

M18-39

1293

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1690

Males

1620

M18-39

1620

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1469

Males

1406

M18-39

1406

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1369

Males

1311

M18-39

1311

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1682

Males

1605

M18-39

1605

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2056

Males

1942

M18-39

1942

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2092

Males

1985

M18-39

1985

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2557

Males

2398

M18-39

2398

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3249

Males

3004

M18-39

3004

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4404

Males

3905

M18-39

3905

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2249

Males

2082

M18-39

2082

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2907

Males

2632

M18-39

2632

Passing Analysis

Category:
Athletes Passed
349
Passed By
617
Net Change
-268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1316
5K → 10K52124-72#1316#1388
10K → 15K3176-45#1388#1433
15K → 20K6420+44#1433#1389
20K → Half615-9#1389#1398
Half → 25K32320#1398#1398
25K → 30K5934+25#1398#1373
30K → 20M1429-15#1373#1388
20M → 21M1537-22#1388#1410
21M → 35K1125-14#1410#1424
35K → 23M1452-38#1424#1462
23M → 24M1348-35#1462#1497
24M → 40K882-74#1497#1571
40K → 25.2M12120#1571#1571
25.2M → Finish1831-13#1571#1584
TOTALS349617-268
📊

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