Boston Marathon logo
BOSTON MARATHON 2023

Jonathan Tanguay

Bib: 7079•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 25%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3442
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:54
Rank: #4416 (-974)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:03:11
Rank: #4794 (-378)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:25:12
Rank: #5388 (-594)
15K → 20K
22:01 | 7:05/mi
Half· 13.11 mi
1:29:46
Rank: #5315 (+73)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:48
Rank: #5411 (-96)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:10:24
Rank: #5776 (-365)
25K → 30K
23:36 | 7:36/mi
20M
2:20:58
Rank: #5941 (-165)
30K → 20M
10:34 | 7:47/mi
21M
2:29:12
Rank: #6032 (-91)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:35:04
Rank: #6148 (-116)
21M → 35K
5:52 | 7:51/mi
23M
2:45:20
Rank: #6333 (-185)
35K → 23M
10:16 | 8:12/mi
24M
2:53:30
Rank: #6514 (-181)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:00:19
Rank: #6548 (-34)
24M → 40K
6:49 | 7:58/mi
25.2M
3:03:12
Rank: #6572 (-24)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:10:54
Rank: #6617 (-45)
25.2M → Finish
7:42 | 7:33/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
Time1:29:46
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0720:446:4020:44
6:40
-
10K
6.21 mi10:47:1741:546:4521:10
6:49
+0:09
15K
9.32 mi11:08:341:03:116:4721:17
6:51
+0:02
20K
12.43 mi11:30:351:25:126:5122:01
7:05
+0:14
Half
13.11 mi11:35:091:29:466:514:34
6:42
-0:23
25K
15.53 mi11:52:111:46:486:5317:02
7:02
+0:20
30K
18.64 mi12:15:472:10:247:0023:36
7:36
+0:34
20M
20.00 mi12:26:212:20:587:0310:34
7:47
+0:11
21M
21.00 mi12:34:352:29:127:068:14
8:14
+0:27
35K
21.75 mi12:40:272:35:047:085:52
7:51
-0:23
23M
23.00 mi12:50:432:45:207:1110:16
8:12
+0:21
24M
24.00 mi12:58:532:53:307:148:10
8:10
-0:02
40K
24.85 mi13:05:423:00:197:156:49
7:58
-0:12
25.2M
25.20 mi13:08:353:03:127:162:53
8:22
+0:24
Finish
26.22 mi13:16:173:10:547:177:42
7:33
-0:49

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

6:40 /mi

Average Pace

7:17 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:48

56% of race

Time at Steady Pace

47:44

25% of race

Time at Slower Pace

36:22

19% of race

Average Pace: 7:17 /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 mi10:26:0720:446:4020:44
6:40
#3442
10K
6.21 mi10:47:1741:546:4521:10
6:49
#4416
15K
9.32 mi11:08:341:03:116:4721:17
6:51
#4794
20K
12.43 mi11:30:351:25:126:5122:01
7:05
#5388
Half
13.11 mi11:35:091:29:466:514:34
6:42
#5315
25K
15.53 mi11:52:111:46:486:5317:02
7:02
#5411
30K
18.64 mi12:15:472:10:247:0023:36
7:36
#5776
20M
20.00 mi12:26:212:20:587:0310:34
7:47
#5941
21M
21.00 mi12:34:352:29:127:068:14
8:14
#6032
35K
21.75 mi12:40:272:35:047:085:52
7:51
#6148
23M
23.00 mi12:50:432:45:207:1110:16
8:12
#6333
24M
24.00 mi12:58:532:53:307:148:10
8:10
#6514
40K
24.85 mi13:05:423:00:197:156:49
7:58
#6548
25.2M
25.20 mi13:08:353:03:127:162:53
8:22
#6572
Finish
26.22 mi13:16:173:10:547:177:42
7:33
#6617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3442324532455578(Top 21%)5132(Top 34%)5132(Top 229%)
10K6.21 mi3.10 mi4416-9744135-8904135-8905425(Top 20%)5002(Top 33%)5002(Top 223%)
15K9.32 mi3.11 mi4794-3784461-3264461-3265578(Top 21%)5132(Top 34%)5132(Top 229%)
20K12.43 mi3.11 mi5388-5944984-5234984-5236483(Top 24%)5828(Top 38%)5828(Top 260%)
Half13.11 mi0.68 mi5315+734921+634921+634351(Top 16%)4075(Top 27%)4075(Top 182%)
25K15.53 mi2.42 mi5411-964999-784999-785729(Top 22%)5247(Top 35%)5247(Top 234%)
30K18.64 mi3.11 mi5776-3655294-2955294-2957902(Top 30%)6624(Top 44%)6624(Top 296%)
20M20.00 mi1.36 mi5941-1655410-1165410-1168632(Top 32%)6965(Top 46%)6965(Top 311%)
21M21.00 mi1.00 mi6032-915465-555465-558766(Top 33%)6921(Top 46%)6921(Top 309%)
35K21.75 mi0.75 mi6148-1165547-825547-8210894(Top 41%)8043(Top 53%)8043(Top 359%)
23M23.00 mi1.25 mi6333-1855675-1285675-12811155(Top 42%)8038(Top 53%)8038(Top 359%)
24M24.00 mi1.00 mi6514-1815793-1185793-11812320(Top 46%)8531(Top 56%)8531(Top 381%)
40K24.85 mi0.85 mi6548-345802-95802-99822(Top 37%)7238(Top 48%)7238(Top 323%)
25.2M25.20 mi0.35 mi6572-245812-105812-108584(Top 32%)6485(Top 43%)6485(Top 289%)
Finish26.22 mi1.02 mi6617-455828-165828-168922(Top 34%)6700(Top 44%)6700(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5578

Males

5132

M40-44

5132

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5425

Males

5002

M40-44

5002

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5578

Males

5132

M40-44

5132

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6483

Males

5828

M40-44

5828

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4351

Males

4075

M40-44

4075

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5729

Males

5247

M40-44

5247

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7902

Males

6624

M40-44

6624

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8632

Males

6965

M40-44

6965

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8766

Males

6921

M40-44

6921

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10894

Males

8043

M40-44

8043

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11155

Males

8038

M40-44

8038

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12320

Males

8531

M40-44

8531

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9822

Males

7238

M40-44

7238

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8584

Males

6485

M40-44

6485

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8922

Males

6700

M40-44

6700

Passing Analysis

Category:
Athletes Passed
458
Passed By
3633
Net Change
-3175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3442
5K → 10K16990-974#3442#4416
10K → 15K37415-378#4416#4794
15K → 20K18612-594#4794#5388
20K → Half752+73#5388#5315
Half → 25K62158-96#5315#5411
25K → 30K41406-365#5411#5776
30K → 20M27192-165#5776#5941
20M → 21M27118-91#5941#6032
21M → 35K9125-116#6032#6148
35K → 23M28213-185#6148#6333
23M → 24M20201-181#6333#6514
24M → 40K4478-34#6514#6548
40K → 25.2M1438-24#6548#6572
25.2M → Finish4085-45#6572#6617
TOTALS4583633-3175
📊

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