Boston Marathon logo
BOSTON MARATHON 2023

Irwin Ramirez

Bib: P108•M

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
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
7:16/mi
22:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:19
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:38:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:56:33
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:20:42
↑ 181↓ 1480.2%
20M
7:39/mi
2:31:06
↑ 64↓ 500.2%
21M
8:10/mi
2:39:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:45:13
↑ 17↓ 861.7%
23M
7:58/mi
2:55:11
↑ 23↓ 630.6%
24M
7:44/mi
3:02:55
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:09:35
↓ 200.3%
25.2M
8:42/mi
3:12:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:20:13
↑ 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
Time1:38:04
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:42:09
Pace7:48 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:12:3622:357:1622:35
7:16
-
10K
6.21 mi10:36:0646:057:2523:30
7:34
+0:18
15K
9.32 mi10:59:201:09:197:2623:14
7:29
-0:05
20K
12.43 mi11:22:491:32:487:2823:29
7:34
+0:05
Half
13.11 mi11:28:051:38:047:295:16
7:43
+0:09
25K
15.53 mi11:46:341:56:337:3018:29
7:37
-0:06
30K
18.64 mi12:10:432:20:427:3324:09
7:46
+0:09
20M
20.00 mi12:21:072:31:067:3310:24
7:39
-0:07
21M
21.00 mi12:29:172:39:167:358:10
8:10
+0:31
35K
21.75 mi12:35:142:45:137:365:57
7:57
-0:13
23M
23.00 mi12:45:122:55:117:379:58
7:58
+0:01
24M
24.00 mi12:52:563:02:557:377:44
7:44
-0:14
40K
24.85 mi12:59:363:09:357:386:40
7:48
+0:04
25.2M
25.20 mi13:02:363:12:357:393:00
8:42
+0:54
Finish
26.22 mi13:10:143:20:137:397:38
7:29
-1:13

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

7:16 /mi

Average Pace

7:39 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:03

94% of race

Time at Steady Pace

8:10

4% of race

Time at Slower Pace

3:00

1% of race

Average Pace: 7:38 /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 mi10:12:3622:357:1622:35
7:16
#7924
10K
6.21 mi10:36:0646:057:2523:30
7:34
#9303
15K
9.32 mi10:59:201:09:197:2623:14
7:29
#9495
20K
12.43 mi11:22:491:32:487:2823:29
7:34
#9549
Half
13.11 mi11:28:051:38:047:295:16
7:43
#9664
25K
15.53 mi11:46:341:56:337:3018:29
7:37
#9676
30K
18.64 mi12:10:432:20:427:3324:09
7:46
#9566
20M
20.00 mi12:21:072:31:067:3310:24
7:39
#9401
21M
21.00 mi12:29:172:39:167:358:10
8:10
#9292
35K
21.75 mi12:35:142:45:137:365:57
7:57
#9372
23M
23.00 mi12:45:122:55:117:379:58
7:58
#9338
24M
24.00 mi12:52:563:02:557:377:44
7:44
#9304
40K
24.85 mi12:59:363:09:357:386:40
7:48
#9267
25.2M
25.20 mi13:02:363:12:357:393:00
8:42
#9294
Finish
26.22 mi13:10:143:20:137:397:38
7:29
#9253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7924692269229983(Top 37%)8135(Top 54%)8135(Top 154%)
10K6.21 mi3.10 mi9303-13797757-8357757-83510969(Top 41%)8658(Top 57%)8658(Top 164%)
15K9.32 mi3.11 mi9495-1927870-1137870-1139983(Top 37%)8135(Top 54%)8135(Top 154%)
20K12.43 mi3.11 mi9549-547887-177887-179761(Top 37%)7936(Top 52%)7936(Top 150%)
Half13.11 mi0.68 mi9664-1157960-737960-7311955(Top 45%)9032(Top 60%)9032(Top 171%)
25K15.53 mi2.42 mi9676-127948+127948+129710(Top 36%)7823(Top 52%)7823(Top 148%)
30K18.64 mi3.11 mi9566+1107847+1017847+1019150(Top 34%)7362(Top 49%)7362(Top 139%)
20M20.00 mi1.36 mi9401+1657719+1287719+1287839(Top 29%)6499(Top 43%)6499(Top 123%)
21M21.00 mi1.00 mi9292+1097628+917628+918412(Top 32%)6718(Top 44%)6718(Top 127%)
35K21.75 mi0.75 mi9372-807660-327660-3211717(Top 44%)8417(Top 55%)8417(Top 159%)
23M23.00 mi1.25 mi9338+347620+407620+409458(Top 36%)7204(Top 47%)7204(Top 136%)
24M24.00 mi1.00 mi9304+347575+457575+459275(Top 35%)7027(Top 46%)7027(Top 133%)
40K24.85 mi0.85 mi9267+377524+517524+518648(Top 32%)6632(Top 44%)6632(Top 125%)
25.2M25.20 mi0.35 mi9294-277528-47528-410688(Top 40%)7645(Top 50%)7645(Top 145%)
Finish26.22 mi1.02 mi9253+417485+437485+438469(Top 32%)6445(Top 42%)6445(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9983

Males

8135

M18-39

8135

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10969

Males

8658

M18-39

8658

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9983

Males

8135

M18-39

8135

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9761

Males

7936

M18-39

7936

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11955

Males

9032

M18-39

9032

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9710

Males

7823

M18-39

7823

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9150

Males

7362

M18-39

7362

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7839

Males

6499

M18-39

6499

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8412

Males

6718

M18-39

6718

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11717

Males

8417

M18-39

8417

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9458

Males

7204

M18-39

7204

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9275

Males

7027

M18-39

7027

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8648

Males

6632

M18-39

6632

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10688

Males

7645

M18-39

7645

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8469

Males

6445

M18-39

6445

Passing Analysis

Category:
Athletes Passed
1279*
Passed By
2608
Net Change
-1329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7924
5K → 10K121391-1379#7924#9303
10K → 15K95287-192#9303#9495
15K → 20K122176-54#9495#9549
20K → Half5120-115#9549#9664
Half → 25K119131-12#9664#9676
25K → 30K225*115+110#9676#9566
30K → 20M17914+165#9566#9401
20M → 21M13930+109#9401#9292
21M → 35K26106-80#9292#9372
35K → 23M9561+34#9372#9338
23M → 24M8147+34#9338#9304
24M → 40K8346+37#9304#9267
40K → 25.2M2047-27#9267#9294
25.2M → Finish7837+41#9294#9253
TOTALS1279*2608-1329

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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