Boston Marathon logo
BOSTON MARATHON 2023

Michael Mbagu

MD

Bib: 1521 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M45-49)
#0 / 2252
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:58/mi
18:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
5:50/mi
36:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:05/mi
55:34
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:14/mi
1:14:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:03/mi
1:19:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:19/mi
1:34:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:25/mi
1:54:21
↑ 181↓ 1480.2%
138 ft elev
20M
6:23/mi
2:03:02
↑ 64↓ 500.2%
148 ft elev
21M
7:07/mi
2:10:09
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:17/mi
2:14:51
↑ 17↓ 861.7%
156 ft elev
23M
6:54/mi
2:23:29
↑ 23↓ 630.6%
116 ft elev
24M
6:36/mi
2:30:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:10/mi
2:36:13
↓ 200.3%
20 ft elev
25.2M
7:38/mi
2:38:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:53/mi
2:45:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:05
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:26:47
Pace6:37 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4918:315:5818:31
5:58
-
10K
6.21 mi10:36:5736:395:5418:08
5:50
-0:08
15K
9.32 mi10:55:5255:345:5818:55
6:05
+0:15
20K
12.43 mi11:15:151:14:576:0219:23
6:14
+0:09
Half
13.11 mi11:19:231:19:056:024:08
6:03
-0:11
25K
15.53 mi11:34:431:34:256:0515:20
6:19
+0:16
30K
18.64 mi11:54:391:54:216:0819:56
6:25
+0:06
20M
20.00 mi12:03:202:03:026:098:41
6:23
-0:02
21M
21.00 mi12:10:272:10:096:127:07
7:07
+0:44
35K
21.75 mi12:15:092:14:516:124:42
6:17
-0:50
23M
23.00 mi12:23:472:23:296:148:38
6:54
+0:37
24M
24.00 mi12:30:232:30:056:156:36
6:36
-0:18
40K
24.85 mi12:36:312:36:136:176:08
7:10
+0:34
25.2M
25.20 mi12:39:092:38:516:182:38
7:38
+0:28
Finish
26.22 mi12:46:102:45:526:207:01
6:53
-0:45

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

5:50 /mi

Average Pace

6:20 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:42

36% of race

Time at Steady Pace

1:14:38

45% of race

Time at Slower Pace

31:32

19% of race

Average Pace: 6:20 /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 mi10:18:4918:315:5818:31
5:58
#620
10K
6.21 mi10:36:5736:395:5418:08
5:50
#556
15K
9.32 mi10:55:5255:345:5818:55
6:05
#644
20K
12.43 mi11:15:151:14:576:0219:23
6:14
#730
Half
13.11 mi11:19:231:19:056:024:08
6:03
#735
25K
15.53 mi11:34:431:34:256:0515:20
6:19
#803
30K
18.64 mi11:54:391:54:216:0819:56
6:25
#862
20M
20.00 mi12:03:202:03:026:098:41
6:23
#861
21M
21.00 mi12:10:272:10:096:127:07
7:07
#907
35K
21.75 mi12:15:092:14:516:124:42
6:17
#915
23M
23.00 mi12:23:472:23:296:148:38
6:54
#969
24M
24.00 mi12:30:232:30:056:156:36
6:36
#994
40K
24.85 mi12:36:312:36:136:176:08
7:10
#1080
25.2M
25.20 mi12:39:092:38:516:182:38
7:38
#1110
Finish
26.22 mi12:46:102:45:526:207:01
6:53
#1185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi620576576940(Top 4%)891(Top 6%)891(Top 40%)
10K6.21 mi3.10 mi556+64514+62514+62487(Top 2%)451(Top 3%)451(Top 20%)
15K9.32 mi3.11 mi644-88601-87601-87940(Top 4%)891(Top 6%)891(Top 40%)
20K12.43 mi3.11 mi730-86687-86687-861170(Top 4%)1117(Top 7%)1117(Top 50%)
Half13.11 mi0.68 mi735-5692-5692-5928(Top 3%)885(Top 6%)885(Top 39%)
25K15.53 mi2.42 mi803-68758-66758-661417(Top 5%)1354(Top 9%)1354(Top 60%)
30K18.64 mi3.11 mi862-59816-58816-581257(Top 5%)1199(Top 8%)1199(Top 53%)
20M20.00 mi1.36 mi861+1815+1815+11103(Top 4%)1057(Top 7%)1057(Top 47%)
21M21.00 mi1.00 mi907-46860-45860-452659(Top 10%)2495(Top 16%)2495(Top 111%)
35K21.75 mi0.75 mi915-8868-8868-81491(Top 6%)1415(Top 9%)1415(Top 63%)
23M23.00 mi1.25 mi969-54922-54922-543158(Top 12%)2935(Top 19%)2935(Top 130%)
24M24.00 mi1.00 mi994-25945-23945-232524(Top 9%)2352(Top 15%)2352(Top 104%)
40K24.85 mi0.85 mi1080-861028-831028-834693(Top 18%)4120(Top 27%)4120(Top 183%)
25.2M25.20 mi0.35 mi1110-301058-301058-304441(Top 17%)3854(Top 25%)3854(Top 171%)
Finish26.22 mi1.02 mi1185-751129-711129-714499(Top 17%)3907(Top 26%)3907(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

940

Males

891

M45-49

891

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

487

Males

451

M45-49

451

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

940

Males

891

M45-49

891

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1170

Males

1117

M45-49

1117

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

928

Males

885

M45-49

885

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1417

Males

1354

M45-49

1354

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1257

Males

1199

M45-49

1199

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1103

Males

1057

M45-49

1057

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2659

Males

2495

M45-49

2495

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1491

Males

1415

M45-49

1415

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3158

Males

2935

M45-49

2935

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2524

Males

2352

M45-49

2352

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4693

Males

4120

M45-49

4120

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4441

Males

3854

M45-49

3854

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4499

Males

3907

M45-49

3907

Passing Analysis

Category:
Athletes Passed
151
Passed By
716
Net Change
-565
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#620
5K → 10K706+64#620#556
10K → 15K189-88#556#644
15K → 20K490-86#644#730
20K → Half05-5#730#735
Half → 25K1482-68#735#803
25K → 30K1271-59#803#862
30K → 20M1413+1#862#861
20M → 21M753-46#861#907
21M → 35K816-8#907#915
35K → 23M458-54#915#969
23M → 24M934-25#969#994
24M → 40K389-86#994#1080
40K → 25.2M131-30#1080#1110
25.2M → Finish479-75#1110#1185
TOTALS151716-565
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing