Boston Marathon logo
BOSTON MARATHON 2024

Carlos Balderas Chavez

Bib: 4607•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 21%
Division (M18-39)
#0 / 4849
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #2904
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
40:17
Rank: #3049 (-145)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:00:49
Rank: #3127 (-78)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:05
Rank: #3305 (-178)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:26:40
Rank: #3333 (-28)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:43:16
Rank: #3285 (+48)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:05:45
Rank: #3349 (-64)
25K → 30K
22:29 | 7:14/mi
20M
2:15:41
Rank: #3343 (+6)
30K → 20M
9:56 | 7:19/mi
21M
2:23:43
Rank: #3376 (-33)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:29:12
Rank: #3404 (-28)
21M → 35K
5:29 | 7:20/mi
23M
2:38:45
Rank: #3413 (-9)
35K → 23M
9:33 | 7:38/mi
24M
2:46:16
Rank: #3433 (-20)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:52:36
Rank: #3378 (+55)
24M → 40K
6:20 | 7:24/mi
25.2M
2:55:30
Rank: #3367 (+11)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:02:41
Rank: #3290 (+77)
25.2M → Finish
7:11 | 7:03/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
Time1:26:40
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5019:596:2619:59
6:26
-
10K
6.21 mi10:43:0840:176:2920:18
6:32
+0:06
15K
9.32 mi11:03:401:00:496:3120:32
6:37
+0:05
20K
12.43 mi11:24:561:22:056:3621:16
6:51
+0:14
Half
13.11 mi11:29:311:26:406:374:35
6:43
-0:08
25K
15.53 mi11:46:071:43:166:3916:36
6:51
+0:08
30K
18.64 mi12:08:362:05:456:4522:29
7:14
+0:23
20M
20.00 mi12:18:322:15:416:479:56
7:19
+0:05
21M
21.00 mi12:26:342:23:436:518:02
8:02
+0:43
35K
21.75 mi12:32:032:29:126:525:29
7:20
-0:42
23M
23.00 mi12:41:362:38:456:549:33
7:38
+0:18
24M
24.00 mi12:49:072:46:166:567:31
7:31
-0:07
40K
24.85 mi12:55:272:52:366:576:20
7:24
-0:07
25.2M
25.20 mi12:58:212:55:306:582:54
8:25
+1:01
Finish
26.22 mi13:05:323:02:416:587:11
7:03
-1:22

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

6:26 /mi

Average Pace

6:58 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:16

57% of race

Time at Steady Pace

51:25

28% of race

Time at Slower Pace

28:00

15% of race

Average Pace: 6:58 /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 mi10:22:5019:596:2619:59
6:26
#2904
10K
6.21 mi10:43:0840:176:2920:18
6:32
#3049
15K
9.32 mi11:03:401:00:496:3120:32
6:37
#3127
20K
12.43 mi11:24:561:22:056:3621:16
6:51
#3305
Half
13.11 mi11:29:311:26:406:374:35
6:43
#3333
25K
15.53 mi11:46:071:43:166:3916:36
6:51
#3285
30K
18.64 mi12:08:362:05:456:4522:29
7:14
#3349
20M
20.00 mi12:18:322:15:416:479:56
7:19
#3343
21M
21.00 mi12:26:342:23:436:518:02
8:02
#3376
35K
21.75 mi12:32:032:29:126:525:29
7:20
#3404
23M
23.00 mi12:41:362:38:456:549:33
7:38
#3413
24M
24.00 mi12:49:072:46:166:567:31
7:31
#3433
40K
24.85 mi12:55:272:52:366:576:20
7:24
#3378
25.2M
25.20 mi12:58:212:55:306:582:54
8:25
#3367
Finish
26.22 mi13:05:323:02:416:587:11
7:03
#3290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2904278027803324(Top 13%)3159(Top 22%)3159(Top 65%)
10K6.21 mi3.10 mi3049-1452911-1312911-1313219(Top 13%)3059(Top 21%)3059(Top 63%)
15K9.32 mi3.11 mi3127-782981-702981-703324(Top 13%)3159(Top 22%)3159(Top 65%)
20K12.43 mi3.11 mi3305-1783145-1643145-1644207(Top 16%)3911(Top 27%)3911(Top 81%)
Half13.11 mi0.68 mi3333-283169-243169-243877(Top 15%)3625(Top 25%)3625(Top 75%)
25K15.53 mi2.42 mi3285+483122+473122+473476(Top 14%)3245(Top 22%)3245(Top 67%)
30K18.64 mi3.11 mi3349-643167-453167-453922(Top 15%)3554(Top 24%)3554(Top 73%)
20M20.00 mi1.36 mi3343+63145+223145+223578(Top 14%)3232(Top 22%)3232(Top 67%)
21M21.00 mi1.00 mi3376-333164-193164-194281(Top 17%)3634(Top 25%)3634(Top 75%)
35K21.75 mi0.75 mi3404-283182-183182-184248(Top 17%)3623(Top 25%)3623(Top 75%)
23M23.00 mi1.25 mi3413-93179+33179+34086(Top 16%)3427(Top 24%)3427(Top 71%)
24M24.00 mi1.00 mi3433-203184-53184-54185(Top 16%)3412(Top 23%)3412(Top 70%)
40K24.85 mi0.85 mi3378+553130+543130+543160(Top 12%)2671(Top 18%)2671(Top 55%)
25.2M25.20 mi0.35 mi3367+113114+163114+164044(Top 16%)3181(Top 22%)3181(Top 66%)
Finish26.22 mi1.02 mi3290+773036+783036+783343(Top 13%)2759(Top 19%)2759(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3324

Males

3159

M18-39

3159

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3219

Males

3059

M18-39

3059

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3324

Males

3159

M18-39

3159

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4207

Males

3911

M18-39

3911

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3877

Males

3625

M18-39

3625

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3476

Males

3245

M18-39

3245

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3922

Males

3554

M18-39

3554

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3578

Males

3232

M18-39

3232

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4281

Males

3634

M18-39

3634

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4248

Males

3623

M18-39

3623

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4086

Males

3427

M18-39

3427

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4185

Males

3412

M18-39

3412

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3160

Males

2671

M18-39

2671

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4044

Males

3181

M18-39

3181

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3343

Males

2759

M18-39

2759

Passing Analysis

Category:
Athletes Passed
1082
Passed By
1468
Net Change
-386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2904
5K → 10K93238-145#2904#3049
10K → 15K87165-78#3049#3127
15K → 20K52230-178#3127#3305
20K → Half1745-28#3305#3333
Half → 25K14294+48#3333#3285
25K → 30K164228-64#3285#3349
30K → 20M8882+6#3349#3343
20M → 21M6295-33#3343#3376
21M → 35K3866-28#3376#3404
35K → 23M8897-9#3404#3413
23M → 24M5575-20#3413#3433
24M → 40K7217+55#3433#3378
40K → 25.2M3120+11#3378#3367
25.2M → Finish9316+77#3367#3290
TOTALS10821468-386
📊

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