Boston Marathon logo
BOSTON MARATHON 2023

Juan Francisco Balagtas

Bib: 31712•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:54/mi
21:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
42:12
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:21
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:24:44
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:29:22
↑ 19↓ 370.5%
25K· 15.53 mi
6:48/mi
1:45:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:07:58
↑ 181↓ 1480.2%
20M
7:13/mi
2:17:47
↑ 64↓ 500.2%
21M
7:36/mi
2:25:23
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:30:34
↑ 17↓ 861.7%
23M
7:06/mi
2:39:28
↑ 23↓ 630.6%
24M
6:58/mi
2:46:26
↓ 821.3%
40K· 24.85 mi
7:21/mi
2:52:43
↓ 200.3%
25.2M
7:47/mi
2:55:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:02:22
↑ 22↓ 21

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
Time1:29:22
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0821:276:5421:27
6:54
-
10K
6.21 mi12:01:5342:126:4720:45
6:41
-0:13
15K
9.32 mi12:23:021:03:216:4821:09
6:48
+0:07
20K
12.43 mi12:44:251:24:446:4921:23
6:53
+0:05
Half
13.11 mi12:49:031:29:226:494:38
6:47
-0:06
25K
15.53 mi13:05:331:45:526:4916:30
6:48
+0:01
30K
18.64 mi13:27:392:07:586:5222:06
7:07
+0:19
20M
20.00 mi13:37:282:17:476:539:49
7:13
+0:06
21M
21.00 mi13:45:042:25:236:557:36
7:36
+0:23
35K
21.75 mi13:50:152:30:346:555:11
6:56
-0:40
23M
23.00 mi13:59:092:39:286:568:54
7:06
+0:10
24M
24.00 mi14:06:072:46:266:566:58
6:58
-0:08
40K
24.85 mi14:12:242:52:436:576:17
7:21
+0:23
25.2M
25.20 mi14:15:052:55:246:582:41
7:47
+0:26
Finish
26.22 mi14:22:033:02:226:586:58
6:50
-0:57

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

6:41 /mi

Average Pace

6:58 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:05

94% of race

Time at Steady Pace

10:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi11:41:0821:276:5421:27
6:54
#5583
10K
6.21 mi12:01:5342:126:4720:45
6:41
#4896
15K
9.32 mi12:23:021:03:216:4821:09
6:48
#4973
20K
12.43 mi12:44:251:24:446:4921:23
6:53
#5005
Half
13.11 mi12:49:031:29:226:494:38
6:47
#5010
25K
15.53 mi13:05:331:45:526:4916:30
6:48
#4844
30K
18.64 mi13:27:392:07:586:5222:06
7:07
#4884
20M
20.00 mi13:37:282:17:476:539:49
7:13
#4894
21M
21.00 mi13:45:042:25:236:557:36
7:36
#4906
35K
21.75 mi13:50:152:30:346:555:11
6:56
#4892
23M
23.00 mi13:59:092:39:286:568:54
7:06
#4808
24M
24.00 mi14:06:072:46:266:566:58
6:58
#4770
40K
24.85 mi14:12:242:52:436:576:17
7:21
#4761
25.2M
25.20 mi14:15:052:55:246:582:41
7:47
#4759
Finish
26.22 mi14:22:033:02:226:586:58
6:50
#4695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5583514251425190(Top 19%)4798(Top 32%)4798(Top 91%)
10K6.21 mi3.10 mi4896+6874547+5954547+5954155(Top 16%)3899(Top 26%)3899(Top 74%)
15K9.32 mi3.11 mi4973-774617-704617-705190(Top 19%)4798(Top 32%)4798(Top 91%)
20K12.43 mi3.11 mi5005-324653-364653-365199(Top 20%)4803(Top 32%)4803(Top 91%)
Half13.11 mi0.68 mi5010-54657-44657-45158(Top 19%)4768(Top 31%)4768(Top 90%)
25K15.53 mi2.42 mi4844+1664505+1524505+1524210(Top 16%)3941(Top 26%)3941(Top 75%)
30K18.64 mi3.11 mi4884-404543-384543-385002(Top 19%)4595(Top 30%)4595(Top 87%)
20M20.00 mi1.36 mi4894-104544-14544-15215(Top 20%)4707(Top 31%)4707(Top 89%)
21M21.00 mi1.00 mi4906-124553-94553-95066(Top 19%)4519(Top 30%)4519(Top 86%)
35K21.75 mi0.75 mi4892+144540+134540+134914(Top 18%)4420(Top 29%)4420(Top 84%)
23M23.00 mi1.25 mi4808+844463+774463+774344(Top 16%)3963(Top 26%)3963(Top 75%)
24M24.00 mi1.00 mi4770+384428+354428+354498(Top 17%)4059(Top 27%)4059(Top 77%)
40K24.85 mi0.85 mi4761+94411+174411+175712(Top 21%)4828(Top 32%)4828(Top 91%)
25.2M25.20 mi0.35 mi4759+24402+94402+95237(Top 20%)4417(Top 29%)4417(Top 84%)
Finish26.22 mi1.02 mi4695+644341+614341+614278(Top 16%)3754(Top 25%)3754(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5190

Males

4798

M18-39

4798

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4155

Males

3899

M18-39

3899

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5190

Males

4798

M18-39

4798

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5199

Males

4803

M18-39

4803

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5158

Males

4768

M18-39

4768

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4210

Males

3941

M18-39

3941

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5002

Males

4595

M18-39

4595

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5215

Males

4707

M18-39

4707

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5066

Males

4519

M18-39

4519

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4914

Males

4420

M18-39

4420

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4344

Males

3963

M18-39

3963

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4498

Males

4059

M18-39

4059

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5712

Males

4828

M18-39

4828

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5237

Males

4417

M18-39

4417

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4278

Males

3754

M18-39

3754

Passing Analysis

Category:
Athletes Passed
1724
Passed By
836
Net Change
+888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5583
5K → 10K71023+687#5583#4896
10K → 15K86163-77#4896#4973
15K → 20K95127-32#4973#5005
20K → Half1924-5#5005#5010
Half → 25K19327+166#5010#4844
25K → 30K129169-40#4844#4884
30K → 20M6171-10#4884#4894
20M → 21M5668-12#4894#4906
21M → 35K4531+14#4906#4892
35K → 23M11531+84#4892#4808
23M → 24M5820+38#4808#4770
24M → 40K5142+9#4770#4761
40K → 25.2M1917+2#4761#4759
25.2M → Finish8723+64#4759#4695
TOTALS1724836+888
📊

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