Boston Marathon logo
BOSTON MARATHON 2025

Joy Pontzer

Bib: 15032•F

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #11962
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
46:02
Rank: #11315 (+647)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:08:35
Rank: #10708 (+607)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:31:27
Rank: #10387 (+321)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:36:24
Rank: #10337 (+50)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:26
Rank: #10157 (+180)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:58
Rank: #10197 (-40)
25K → 30K
24:32 | 7:54/mi
20M
2:30:16
Rank: #10367 (-170)
30K → 20M
11:18 | 8:19/mi
21M
2:39:23
Rank: #10600 (-233)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
2:45:12
Rank: #10576 (+24)
21M → 35K
5:49 | 7:46/mi
23M
2:55:58
Rank: #10743 (-167)
35K → 23M
10:46 | 8:36/mi
24M
3:04:05
Rank: #10773 (-30)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:11:08
Rank: #10793 (-20)
24M → 40K
7:03 | 8:15/mi
25.2M
3:14:05
Rank: #10748 (+45)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:21:52
Rank: #10687 (+61)
25.2M → Finish
7:47 | 7:38/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
Time1:36:24
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1423:127:2823:12
7:28
-
10K
6.21 mi11:19:0446:027:2522:50
7:21
-0:07
15K
9.32 mi11:41:371:08:357:2122:33
7:15
-0:06
20K
12.43 mi12:04:291:31:277:2222:52
7:22
+0:07
Half
13.11 mi12:09:261:36:247:214:57
7:15
-0:07
25K
15.53 mi12:27:281:54:267:2218:02
7:26
+0:11
30K
18.64 mi12:52:002:18:587:2724:32
7:54
+0:28
20M
20.00 mi13:03:182:30:167:3111:18
8:19
+0:25
21M
21.00 mi13:12:252:39:237:359:07
9:07
+0:48
35K
21.75 mi13:18:142:45:127:365:49
7:46
-1:21
23M
23.00 mi13:29:002:55:587:3910:46
8:36
+0:50
24M
24.00 mi13:37:073:04:057:408:07
8:07
-0:29
40K
24.85 mi13:44:103:11:087:417:03
8:15
+0:08
25.2M
25.20 mi13:47:073:14:057:422:57
8:33
+0:18
Finish
26.22 mi13:54:543:21:527:427:47
7:38
-0:55

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

7:15 /mi

Average Pace

7:42 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:26

57% of race

Time at Steady Pace

38:08

19% of race

Time at Slower Pace

49:18

24% of race

Average Pace: 7:42 /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 mi10:56:1423:127:2823:12
7:28
#11962
10K
6.21 mi11:19:0446:027:2522:50
7:21
#11315
15K
9.32 mi11:41:371:08:357:2122:33
7:15
#10708
20K
12.43 mi12:04:291:31:277:2222:52
7:22
#10387
Half
13.11 mi12:09:261:36:247:214:57
7:15
#10337
25K
15.53 mi12:27:281:54:267:2218:02
7:26
#10157
30K
18.64 mi12:52:002:18:587:2724:32
7:54
#10197
20M
20.00 mi13:03:182:30:167:3111:18
8:19
#10367
21M
21.00 mi13:12:252:39:237:359:07
9:07
#10600
35K
21.75 mi13:18:142:45:127:365:49
7:46
#10576
23M
23.00 mi13:29:002:55:587:3910:46
8:36
#10743
24M
24.00 mi13:37:073:04:057:408:07
8:07
#10773
40K
24.85 mi13:44:103:11:087:417:03
8:15
#10793
25.2M
25.20 mi13:47:073:14:057:422:57
8:33
#10748
Finish
26.22 mi13:54:543:21:527:427:47
7:38
#10687
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11962277527759652(Top 34%)1733(Top 14%)1733(Top 32%)
10K6.21 mi3.10 mi11315+6472453+3222453+32210760(Top 38%)2191(Top 18%)2191(Top 40%)
15K9.32 mi3.11 mi10708+6072186+2672186+2679652(Top 34%)1733(Top 14%)1733(Top 32%)
20K12.43 mi3.11 mi10387+3212048+1382048+1389566(Top 34%)1768(Top 14%)1768(Top 32%)
Half13.11 mi0.68 mi10337+502035+132035+139700(Top 34%)1828(Top 15%)1828(Top 33%)
25K15.53 mi2.42 mi10157+1801985+501985+509477(Top 33%)1868(Top 15%)1868(Top 34%)
30K18.64 mi3.11 mi10197-402057-722057-7210612(Top 37%)2601(Top 21%)2601(Top 48%)
20M20.00 mi1.36 mi10367-1702183-1262183-12612590(Top 44%)3737(Top 31%)3737(Top 68%)
21M21.00 mi1.00 mi10600-2332345-1622345-16214198(Top 50%)4728(Top 39%)4728(Top 86%)
35K21.75 mi0.75 mi10576+242350-52350-510652(Top 38%)2923(Top 24%)2923(Top 53%)
23M23.00 mi1.25 mi10743-1672483-1332483-13313922(Top 49%)4752(Top 39%)4752(Top 87%)
24M24.00 mi1.00 mi10773-302535-522535-5212032(Top 42%)3811(Top 31%)3811(Top 70%)
40K24.85 mi0.85 mi10793-202579-442579-4411840(Top 42%)3827(Top 31%)3827(Top 70%)
25.2M25.20 mi0.35 mi10748+452564+152564+159180(Top 32%)2617(Top 21%)2617(Top 48%)
Finish26.22 mi1.02 mi10687+612567-32567-310239(Top 36%)3099(Top 25%)3099(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9652

Females

1733

F18-39

1733

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10760

Females

2191

F18-39

2191

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9652

Females

1733

F18-39

1733

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9566

Females

1768

F18-39

1768

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9700

Females

1828

F18-39

1828

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9477

Females

1868

F18-39

1868

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10612

Females

2601

F18-39

2601

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12590

Females

3737

F18-39

3737

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14198

Females

4728

F18-39

4728

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10652

Females

2923

F18-39

2923

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13922

Females

4752

F18-39

4752

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

12032

Females

3811

F18-39

3811

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11840

Females

3827

F18-39

3827

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9180

Females

2617

F18-39

2617

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10239

Females

3099

F18-39

3099

Passing Analysis

Category:
Athletes Passed
2759
Passed By
1483
Net Change
+1275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11962
5K → 10K70760+647#11962#11315
10K → 15K62013+607#11315#10708
15K → 20K35635+321#10708#10387
20K → Half588+50#10387#10337
Half → 25K24565+180#10337#10157
25K → 30K227266-40#10157#10197
30K → 20M75245-170#10197#10367
20M → 21M49282-233#10367#10600
21M → 35K6238+24#10600#10576
35K → 23M67234-167#10576#10743
23M → 24M6696-30#10743#10773
24M → 40K6181-20#10773#10793
40K → 25.2M5611+45#10793#10748
25.2M → Finish11049+61#10748#10687
TOTALS27591483+1275
📊

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