Boston Marathon logo
BOSTON MARATHON 2023

Renee Dillmuth

Bib: 16537•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:54
Rank: #14121
Start → 5K
24:54 | 8:01/mi
10K· 6.21 mi
49:08
Rank: #13648 (+473)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:13:31
Rank: #13474 (+174)
10K → 15K
24:23 | 7:51/mi
20K· 12.43 mi
1:38:08
Rank: #13293 (+181)
15K → 20K
24:37 | 7:55/mi
Half· 13.11 mi
1:43:29
Rank: #13261 (+32)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:32
Rank: #12939 (+322)
Half → 25K
19:03 | 7:51/mi
30K· 18.64 mi
2:27:18
Rank: #12480 (+459)
25K → 30K
24:46 | 7:58/mi
20M
2:38:07
Rank: #12255 (+225)
30K → 20M
10:49 | 7:58/mi
21M
2:46:25
Rank: #12053 (+202)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:51:56
Rank: #11885 (+168)
21M → 35K
5:31 | 7:22/mi
23M
3:01:24
Rank: #11529 (+356)
35K → 23M
9:28 | 7:34/mi
24M
3:08:43
Rank: #11272 (+257)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:14:55
Rank: #10986 (+286)
24M → 40K
6:12 | 7:15/mi
25.2M
3:17:31
Rank: #10834 (+152)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:24:18
Rank: #10446 (+388)
25.2M → Finish
6:47 | 6:39/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 Half
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:49
Pace7:41 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3924:548:0124:54
8:01
-
10K
6.21 mi11:39:5349:087:5424:14
7:48
-0:13
15K
9.32 mi12:04:161:13:317:5324:23
7:51
+0:03
20K
12.43 mi12:28:531:38:087:5424:37
7:55
+0:04
Half
13.11 mi12:34:141:43:297:545:21
7:50
-0:05
25K
15.53 mi12:53:172:02:327:5319:03
7:51
+0:01
30K
18.64 mi13:18:032:27:187:5424:46
7:58
+0:07
20M
20.00 mi13:28:522:38:077:5410:49
7:58
0:00
21M
21.00 mi13:37:102:46:257:558:18
8:18
+0:20
35K
21.75 mi13:42:412:51:567:545:31
7:22
-0:56
23M
23.00 mi13:52:093:01:247:539:28
7:34
+0:12
24M
24.00 mi13:59:283:08:437:527:19
7:19
-0:15
40K
24.85 mi14:05:403:14:557:516:12
7:15
-0:04
25.2M
25.20 mi14:08:163:17:317:502:36
7:32
+0:17
Finish
26.22 mi14:15:033:24:187:486:47
6:39
-0:53

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

6:39 /mi

Average Pace

7:48 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:53

19% of race

Time at Steady Pace

2:38:07

77% of race

Time at Slower Pace

8:18

4% of race

Average Pace: 7:48 /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 mi11:15:3924:548:0124:54
8:01
#14121
10K
6.21 mi11:39:5349:087:5424:14
7:48
#13648
15K
9.32 mi12:04:161:13:317:5324:23
7:51
#13474
20K
12.43 mi12:28:531:38:087:5424:37
7:55
#13293
Half
13.11 mi12:34:141:43:297:545:21
7:50
#13261
25K
15.53 mi12:53:172:02:327:5319:03
7:51
#12939
30K
18.64 mi13:18:032:27:187:5424:46
7:58
#12480
20M
20.00 mi13:28:522:38:077:5410:49
7:58
#12255
21M
21.00 mi13:37:102:46:257:558:18
8:18
#12053
35K
21.75 mi13:42:412:51:567:545:31
7:22
#11885
23M
23.00 mi13:52:093:01:247:539:28
7:34
#11529
24M
24.00 mi13:59:283:08:437:527:19
7:19
#11272
40K
24.85 mi14:05:403:14:557:516:12
7:15
#10986
25.2M
25.20 mi14:08:163:17:317:502:36
7:32
#10834
Finish
26.22 mi14:15:033:24:187:486:47
6:39
#10446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi141214099409913106(Top 49%)3539(Top 31%)3539(Top 72%)
10K6.21 mi3.10 mi13648+4733835+2643835+26413119(Top 49%)3499(Top 31%)3499(Top 72%)
15K9.32 mi3.11 mi13474+1743734+1013734+10113106(Top 49%)3539(Top 31%)3539(Top 72%)
20K12.43 mi3.11 mi13293+1813653+813653+8112816(Top 48%)3442(Top 30%)3442(Top 70%)
Half13.11 mi0.68 mi13261+323640+133640+1313097(Top 49%)3531(Top 31%)3531(Top 72%)
25K15.53 mi2.42 mi12939+3223469+1713469+17111579(Top 43%)2812(Top 25%)2812(Top 58%)
30K18.64 mi3.11 mi12480+4593244+2253244+22510662(Top 40%)2472(Top 22%)2472(Top 51%)
20M20.00 mi1.36 mi12255+2253132+1123132+1129996(Top 38%)2227(Top 19%)2227(Top 46%)
21M21.00 mi1.00 mi12053+2023035+973035+979259(Top 35%)2036(Top 18%)2036(Top 42%)
35K21.75 mi0.75 mi11885+1682961+742961+747699(Top 29%)1393(Top 12%)1393(Top 29%)
23M23.00 mi1.25 mi11529+3562785+1762785+1766847(Top 26%)1130(Top 10%)1130(Top 23%)
24M24.00 mi1.00 mi11272+2572661+1242661+1246540(Top 25%)1101(Top 10%)1101(Top 23%)
40K24.85 mi0.85 mi10986+2862546+1152546+1155209(Top 20%)734(Top 6%)734(Top 15%)
25.2M25.20 mi0.35 mi10834+1522484+622484+624198(Top 16%)524(Top 5%)524(Top 11%)
Finish26.22 mi1.02 mi10446+3882318+1662318+1663316(Top 12%)339(Top 3%)339(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13106

Females

3539

F18-39

3539

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13119

Females

3499

F18-39

3499

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13106

Females

3539

F18-39

3539

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12816

Females

3442

F18-39

3442

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13097

Females

3531

F18-39

3531

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11579

Females

2812

F18-39

2812

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10662

Females

2472

F18-39

2472

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

9996

Females

2227

F18-39

2227

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9259

Females

2036

F18-39

2036

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7699

Females

1393

F18-39

1393

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6847

Females

1130

F18-39

1130

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6540

Females

1101

F18-39

1101

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5209

Females

734

F18-39

734

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4198

Females

524

F18-39

524

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3316

Females

339

F18-39

339

Passing Analysis

Category:
Athletes Passed
4104
Passed By
429
Net Change
+3675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14121
5K → 10K600127+473#14121#13648
10K → 15K291117+174#13648#13474
15K → 20K27796+181#13474#13293
20K → Half4816+32#13293#13261
Half → 25K34119+322#13261#12939
25K → 30K48526+459#12939#12480
30K → 20M23914+225#12480#12255
20M → 21M2119+202#12255#12053
21M → 35K1702+168#12053#11885
35K → 23M3571+356#11885#11529
23M → 24M2581+257#11529#11272
24M → 40K2860+286#11272#10986
40K → 25.2M1520+152#10986#10834
25.2M → Finish3891+388#10834#10446
TOTALS4104429+3675
📊

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