Boston Marathon logo
BOSTON MARATHON 2023

Andres Alamos Donoso

Bib: 5690•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:19
Rank: #5213
Start → 5K
21:19 | 6:52/mi
10K· 6.21 mi
42:05
Rank: #4714 (+499)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:44
Rank: #4315 (+399)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:23:30
Rank: #4034 (+281)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:28:05
Rank: #4064 (-30)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:23
Rank: #3957 (+107)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:05:43
Rank: #3796 (+161)
25K → 30K
21:20 | 6:52/mi
20M
2:15:02
Rank: #3710 (+86)
30K → 20M
9:19 | 6:51/mi
21M
2:22:08
Rank: #3602 (+108)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:26:53
Rank: #3487 (+115)
21M → 35K
4:45 | 6:21/mi
23M
2:35:16
Rank: #3340 (+147)
35K → 23M
8:23 | 6:42/mi
24M
2:41:46
Rank: #3250 (+90)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:47:28
Rank: #3180 (+70)
24M → 40K
5:42 | 6:40/mi
25.2M
2:49:59
Rank: #3162 (+18)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:56:37
Rank: #3093 (+69)
25.2M → Finish
6:38 | 6:31/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⚖️ Balanced
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:32
Pace6:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5321:196:5221:19
6:52
-
10K
6.21 mi10:44:3942:056:4620:46
6:41
-0:11
15K
9.32 mi11:05:181:02:446:4420:39
6:39
-0:02
20K
12.43 mi11:26:041:23:306:4320:46
6:41
+0:02
Half
13.11 mi11:30:391:28:056:434:35
6:43
+0:02
25K
15.53 mi11:46:571:44:236:4316:18
6:43
0:00
30K
18.64 mi12:08:172:05:436:4521:20
6:52
+0:09
20M
20.00 mi12:17:362:15:026:459:19
6:51
-0:01
21M
21.00 mi12:24:422:22:086:467:06
7:06
+0:15
35K
21.75 mi12:29:272:26:536:454:45
6:21
-0:45
23M
23.00 mi12:37:502:35:166:458:23
6:42
+0:21
24M
24.00 mi12:44:202:41:466:446:30
6:30
-0:12
40K
24.85 mi12:50:022:47:286:445:42
6:40
+0:10
25.2M
25.20 mi12:52:332:49:596:452:31
7:18
+0:38
Finish
26.22 mi12:59:112:56:376:446:38
6:31
-0:47

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

6:21 /mi

Average Pace

6:44 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:00

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:23:5321:196:5221:19
6:52
#5213
10K
6.21 mi10:44:3942:056:4620:46
6:41
#4714
15K
9.32 mi11:05:181:02:446:4420:39
6:39
#4315
20K
12.43 mi11:26:041:23:306:4320:46
6:41
#4034
Half
13.11 mi11:30:391:28:056:434:35
6:43
#4064
25K
15.53 mi11:46:571:44:236:4316:18
6:43
#3957
30K
18.64 mi12:08:172:05:436:4521:20
6:52
#3796
20M
20.00 mi12:17:362:15:026:459:19
6:51
#3710
21M
21.00 mi12:24:422:22:086:467:06
7:06
#3602
35K
21.75 mi12:29:272:26:536:454:45
6:21
#3487
23M
23.00 mi12:37:502:35:166:458:23
6:42
#3340
24M
24.00 mi12:44:202:41:466:446:30
6:30
#3250
40K
24.85 mi12:50:022:47:286:445:42
6:40
#3180
25.2M
25.20 mi12:52:332:49:596:452:31
7:18
#3162
Finish
26.22 mi12:59:112:56:376:446:38
6:31
#3093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5213482748273661(Top 14%)3452(Top 23%)3452(Top 65%)
10K6.21 mi3.10 mi4714+4994395+4324395+4324182(Top 16%)3920(Top 26%)3920(Top 74%)
15K9.32 mi3.11 mi4315+3994041+3544041+3543661(Top 14%)3452(Top 23%)3452(Top 65%)
20K12.43 mi3.11 mi4034+2813790+2513790+2513431(Top 13%)3250(Top 21%)3250(Top 61%)
Half13.11 mi0.68 mi4064-303815-253815-254421(Top 17%)4113(Top 27%)4113(Top 78%)
25K15.53 mi2.42 mi3957+1073725+903725+903529(Top 13%)3334(Top 22%)3334(Top 63%)
30K18.64 mi3.11 mi3796+1613581+1443581+1443421(Top 13%)3217(Top 21%)3217(Top 61%)
20M20.00 mi1.36 mi3710+863503+783503+783147(Top 12%)2953(Top 19%)2953(Top 56%)
21M21.00 mi1.00 mi3602+1083406+973406+972634(Top 10%)2480(Top 16%)2480(Top 47%)
35K21.75 mi0.75 mi3487+1153304+1023304+1021787(Top 7%)1700(Top 11%)1700(Top 32%)
23M23.00 mi1.25 mi3340+1473163+1413163+1412176(Top 8%)2056(Top 14%)2056(Top 39%)
24M24.00 mi1.00 mi3250+903076+873076+872104(Top 8%)1974(Top 13%)1974(Top 37%)
40K24.85 mi0.85 mi3180+703009+673009+672205(Top 8%)2056(Top 14%)2056(Top 39%)
25.2M25.20 mi0.35 mi3162+182995+142995+142922(Top 11%)2677(Top 18%)2677(Top 51%)
Finish26.22 mi1.02 mi3093+692928+672928+672526(Top 9%)2320(Top 15%)2320(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3661

Males

3452

M18-39

3452

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4182

Males

3920

M18-39

3920

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3661

Males

3452

M18-39

3452

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3431

Males

3250

M18-39

3250

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4421

Males

4113

M18-39

4113

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3529

Males

3334

M18-39

3334

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3421

Males

3217

M18-39

3217

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3147

Males

2953

M18-39

2953

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2634

Males

2480

M18-39

2480

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1787

Males

1700

M18-39

1700

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2176

Males

2056

M18-39

2056

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2104

Males

1974

M18-39

1974

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2205

Males

2056

M18-39

2056

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2922

Males

2677

M18-39

2677

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2526

Males

2320

M18-39

2320

Passing Analysis

Category:
Athletes Passed
2374
Passed By
254
Net Change
+2120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5213
5K → 10K54041+499#5213#4714
10K → 15K41314+399#4714#4315
15K → 20K29110+281#4315#4034
20K → Half1141-30#4034#4064
Half → 25K13629+107#4064#3957
25K → 30K20443+161#3957#3796
30K → 20M10317+86#3796#3710
20M → 21M1157+108#3710#3602
21M → 35K1194+115#3602#3487
35K → 23M1514+147#3487#3340
23M → 24M977+90#3340#3250
24M → 40K744+70#3250#3180
40K → 25.2M3315+18#3180#3162
25.2M → Finish8718+69#3162#3093
TOTALS2374254+2120
📊

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