Boston Marathon logo
BOSTON MARATHON 2024

Thomas Giardino

Bib: 4857•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 27%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M45-49)
#0 / 2218
Top 20%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3406
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
41:17
Rank: #4107 (-701)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:02:24
Rank: #4266 (-159)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:06
Rank: #4492 (-226)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:28:51
Rank: #4542 (-50)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:46:06
Rank: #4574 (-32)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:08:18
Rank: #4307 (+267)
25K → 30K
22:12 | 7:09/mi
20M
2:18:22
Rank: #4220 (+87)
30K → 20M
10:04 | 7:24/mi
21M
2:26:27
Rank: #4158 (+62)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:32:01
Rank: #4145 (+13)
21M → 35K
5:34 | 7:26/mi
23M
2:42:48
Rank: #4341 (-196)
35K → 23M
10:47 | 8:37/mi
24M
2:51:32
Rank: #4524 (-183)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
2:58:19
Rank: #4480 (+44)
24M → 40K
6:47 | 7:56/mi
25.2M
3:01:22
Rank: #4454 (+26)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:08:43
Rank: #4387 (+67)
25.2M → Finish
7:21 | 7:13/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
Time1:28:51
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:39:52
Pace7:37 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2120:146:3120:14
6:31
-
10K
6.21 mi10:45:2441:176:3921:03
6:47
+0:16
15K
9.32 mi11:06:311:02:246:4221:07
6:48
+0:01
20K
12.43 mi11:28:131:24:066:4621:42
6:59
+0:11
Half
13.11 mi11:32:581:28:516:474:45
6:58
-0:01
25K
15.53 mi11:50:131:46:066:5017:15
7:07
+0:09
30K
18.64 mi12:12:252:08:186:5322:12
7:09
+0:02
20M
20.00 mi12:22:292:18:226:5510:04
7:24
+0:15
21M
21.00 mi12:30:342:26:276:588:05
8:05
+0:41
35K
21.75 mi12:36:082:32:016:595:34
7:26
-0:39
23M
23.00 mi12:46:552:42:487:0510:47
8:37
+1:11
24M
24.00 mi12:55:392:51:327:098:44
8:44
+0:07
40K
24.85 mi13:02:262:58:197:106:47
7:56
-0:48
25.2M
25.20 mi13:05:293:01:227:123:03
8:51
+0:55
Finish
26.22 mi13:12:503:08:437:127:21
7:13
-1:38

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

6:31 /mi

Average Pace

7:12 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:24

33% of race

Time at Steady Pace

1:28:53

47% of race

Time at Slower Pace

37:26

20% of race

Average Pace: 7:12 /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 mi10:24:2120:146:3120:14
6:31
#3406
10K
6.21 mi10:45:2441:176:3921:03
6:47
#4107
15K
9.32 mi11:06:311:02:246:4221:07
6:48
#4266
20K
12.43 mi11:28:131:24:066:4621:42
6:59
#4492
Half
13.11 mi11:32:581:28:516:474:45
6:58
#4542
25K
15.53 mi11:50:131:46:066:5017:15
7:07
#4574
30K
18.64 mi12:12:252:08:186:5322:12
7:09
#4307
20M
20.00 mi12:22:292:18:226:5510:04
7:24
#4220
21M
21.00 mi12:30:342:26:276:588:05
8:05
#4158
35K
21.75 mi12:36:082:32:016:595:34
7:26
#4145
23M
23.00 mi12:46:552:42:487:0510:47
8:37
#4341
24M
24.00 mi12:55:392:51:327:098:44
8:44
#4524
40K
24.85 mi13:02:262:58:197:106:47
7:56
#4480
25.2M
25.20 mi13:05:293:01:227:123:03
8:51
#4454
Finish
26.22 mi13:12:503:08:437:127:21
7:13
#4387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3406324832484694(Top 18%)4351(Top 30%)4351(Top 196%)
10K6.21 mi3.10 mi4107-7013874-6263874-6264960(Top 19%)4596(Top 32%)4596(Top 207%)
15K9.32 mi3.11 mi4266-1593998-1243998-1244694(Top 18%)4351(Top 30%)4351(Top 196%)
20K12.43 mi3.11 mi4492-2264182-1844182-1845136(Top 20%)4684(Top 32%)4684(Top 211%)
Half13.11 mi0.68 mi4542-504220-384220-385466(Top 21%)4920(Top 34%)4920(Top 222%)
25K15.53 mi2.42 mi4574-324248-284248-284878(Top 19%)4386(Top 30%)4386(Top 198%)
30K18.64 mi3.11 mi4307+2673991+2573991+2573559(Top 14%)3250(Top 22%)3250(Top 147%)
20M20.00 mi1.36 mi4220+873911+803911+803956(Top 15%)3519(Top 24%)3519(Top 159%)
21M21.00 mi1.00 mi4158+623844+673844+674468(Top 17%)3758(Top 26%)3758(Top 169%)
35K21.75 mi0.75 mi4145+133820+243820+244773(Top 19%)3958(Top 27%)3958(Top 178%)
23M23.00 mi1.25 mi4341-1963957-1373957-1379044(Top 35%)6114(Top 42%)6114(Top 276%)
24M24.00 mi1.00 mi4524-1834078-1214078-12110730(Top 42%)6897(Top 47%)6897(Top 311%)
40K24.85 mi0.85 mi4480+444011+674011+675453(Top 21%)4036(Top 28%)4036(Top 182%)
25.2M25.20 mi0.35 mi4454+263980+313980+315782(Top 23%)4145(Top 28%)4145(Top 187%)
Finish26.22 mi1.02 mi4387+673910+703910+704067(Top 16%)3242(Top 22%)3242(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4694

Males

4351

M45-49

4351

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4960

Males

4596

M45-49

4596

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4694

Males

4351

M45-49

4351

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5136

Males

4684

M45-49

4684

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5466

Males

4920

M45-49

4920

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4878

Males

4386

M45-49

4386

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3559

Males

3250

M45-49

3250

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3956

Males

3519

M45-49

3519

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4468

Males

3758

M45-49

3758

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4773

Males

3958

M45-49

3958

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9044

Males

6114

M45-49

6114

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

10730

Males

6897

M45-49

6897

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5453

Males

4036

M45-49

4036

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5782

Males

4145

M45-49

4145

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4067

Males

3242

M45-49

3242

Passing Analysis

Category:
Athletes Passed
1314
Passed By
2295
Net Change
-981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3406
5K → 10K20721-701#3406#4107
10K → 15K85244-159#4107#4266
15K → 20K93319-226#4266#4492
20K → Half1262-50#4492#4542
Half → 25K147179-32#4542#4574
25K → 30K34275+267#4574#4307
30K → 20M13851+87#4307#4220
20M → 21M12361+62#4220#4158
21M → 35K5744+13#4158#4145
35K → 23M41237-196#4145#4341
23M → 24M30213-183#4341#4524
24M → 40K9046+44#4524#4480
40K → 25.2M4418+26#4480#4454
25.2M → Finish9225+67#4454#4387
TOTALS13142295-981
📊

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