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BOSTON MARATHON 2026

Denise Dietrich

Bib: 15703•F

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:07
3.11 mi
Rank: #15113
Start → 5K
24:07 | 7:46/mi
10K
49:16
6.21 mi
Rank: #16550 (-1437)
5K → 10K
25:09 | 8:06/mi
15K
1:14:06
9.32 mi
Rank: #16686 (-136)
10K → 15K
24:50 | 8:00/mi
20K
1:38:48
12.43 mi
Rank: #16441 (+245)
15K → 20K
24:42 | 7:58/mi
HALF
1:44:06
13.11 mi
Rank: #16378 (+63)
20K → HALF
5:18 | 7:47/mi
25K
2:03:24
15.53 mi
Rank: #16157 (+221)
HALF → 25K
19:18 | 7:58/mi
30K
2:28:43
18.64 mi
Rank: #15829 (+328)
25K → 30K
25:19 | 8:09/mi
20M
2:39:49
20.00 mi
Rank: #15665 (+164)
30K → 20M
11:06 | 8:11/mi
21M
2:48:39
21.00 mi
Rank: #15605 (+60)
20M → 21M
8:50 | 8:50/mi
35K
2:54:38
21.75 mi
Rank: #15542 (+63)
21M → 35K
5:59 | 8:00/mi
23M
3:04:45
23.00 mi
Rank: #15379 (+163)
35K → 23M
10:07 | 8:06/mi
24M
3:12:40
24.00 mi
Rank: #15279 (+100)
23M → 24M
7:55 | 7:55/mi
40K
3:19:33
24.85 mi
Rank: #15147 (+132)
24M → 40K
6:53 | 8:04/mi
25.2M
3:22:20
25.20 mi
Rank: #15044 (+103)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:29:52
26.22 mi
Rank: #14896 (+148)
25.2M → FINISH
7:32 | 7:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:06
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:45:46
Pace8:05 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0524:077:4624:07
7:46
-
10K
6.21 mi11:21:1449:167:5625:09
8:06
+0:20
15K
9.32 mi11:46:041:14:067:5824:50
8:00
-0:06
20K
12.43 mi12:10:461:38:487:5824:42
7:58
-0:02
HALF
13.11 mi12:16:041:44:067:575:18
7:47
-0:11
25K
15.53 mi12:35:222:03:247:5719:18
7:58
+0:11
30K
18.64 mi13:00:412:28:437:5925:19
8:09
+0:11
20M
20.00 mi13:11:472:39:498:0011:06
8:11
+0:02
21M
21.00 mi13:20:372:48:398:028:50
8:50
+0:39
35K
21.75 mi13:26:362:54:388:025:59
8:00
-0:50
23M
23.00 mi13:36:433:04:458:0210:07
8:06
+0:06
24M
24.00 mi13:44:383:12:408:027:55
7:55
-0:11
40K
24.85 mi13:51:313:19:338:026:53
8:04
+0:09
25.2M
25.20 mi13:54:183:22:208:022:47
8:05
+0:01
FINISH
26.22 mi14:01:503:29:528:017:32
7:24
-0:41

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:24 /mi

Average Pace

8:01 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:44:37

78% of race

Time at Steady Pace

36:25

17% of race

Time at Slower Pace

8:50

4% of race

Average Pace: 8:00 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:0524:077:4624:07
7:46
#15113
10K
6.21 mi11:21:1449:167:5625:09
8:06
#16550
15K
9.32 mi11:46:041:14:067:5824:50
8:00
#16686
20K
12.43 mi12:10:461:38:487:5824:42
7:58
#16441
HALF
13.11 mi12:16:041:44:067:575:18
7:47
#16378
25K
15.53 mi12:35:222:03:247:5719:18
7:58
#16157
30K
18.64 mi13:00:412:28:437:5925:19
8:09
#15829
20M
20.00 mi13:11:472:39:498:0011:06
8:11
#15665
21M
21.00 mi13:20:372:48:398:028:50
8:50
#15605
35K
21.75 mi13:26:362:54:388:025:59
8:00
#15542
23M
23.00 mi13:36:433:04:458:0210:07
8:06
#15379
24M
24.00 mi13:44:383:12:408:027:55
7:55
#15279
40K
24.85 mi13:51:313:19:338:026:53
8:04
#15147
25.2M
25.20 mi13:54:183:22:208:022:47
8:05
#15044
FINISH
26.22 mi14:01:503:29:528:017:32
7:24
#14896
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151134760476016968(Top 58%)5896(Top 47%)5896(Top 103%)
10K6.21 mi3.10 mi16550-14375662-9025662-90217942(Top 62%)6445(Top 51%)6445(Top 113%)
15K9.32 mi3.11 mi16686-1365736-745736-7416968(Top 58%)5896(Top 47%)5896(Top 103%)
20K12.43 mi3.11 mi16441+2455603+1335603+13315754(Top 54%)5241(Top 42%)5241(Top 92%)
HALF13.11 mi0.68 mi16378+635575+285575+2815409(Top 53%)4975(Top 40%)4975(Top 87%)
25K15.53 mi2.42 mi16157+2215457+1185457+11815102(Top 52%)4921(Top 39%)4921(Top 86%)
30K18.64 mi3.11 mi15829+3285302+1555302+15514582(Top 50%)4729(Top 38%)4729(Top 83%)
20M20.00 mi1.36 mi15665+1645217+855217+8514092(Top 49%)4544(Top 36%)4544(Top 79%)
21M21.00 mi1.00 mi15605+605202+155202+1515197(Top 52%)5242(Top 42%)5242(Top 92%)
35K21.75 mi0.75 mi15542+635188+145188+1414516(Top 50%)4920(Top 39%)4920(Top 86%)
23M23.00 mi1.25 mi15379+1635110+785110+7813072(Top 45%)4207(Top 33%)4207(Top 74%)
24M24.00 mi1.00 mi15279+1005079+315079+3113185(Top 45%)4363(Top 35%)4363(Top 76%)
40K24.85 mi0.85 mi15147+1325016+635016+6312889(Top 44%)4272(Top 34%)4272(Top 75%)
25.2M25.20 mi0.35 mi15044+1034965+514965+518938(Top 31%)2362(Top 19%)2362(Top 41%)
FINISH26.22 mi1.02 mi14896+1484902+634902+6310650(Top 37%)3182(Top 25%)3182(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16968

Females

5896

F18-39

5896

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

17942

Females

6445

F18-39

6445

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16968

Females

5896

F18-39

5896

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15754

Females

5241

F18-39

5241

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15409

Females

4975

F18-39

4975

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15102

Females

4921

F18-39

4921

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14582

Females

4729

F18-39

4729

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14092

Females

4544

F18-39

4544

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15197

Females

5242

F18-39

5242

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14516

Females

4920

F18-39

4920

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13072

Females

4207

F18-39

4207

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13185

Females

4363

F18-39

4363

24M→40K

24.0 - 24.9 mi

Top 44%
×1
+6ft-20ft

Overall

12889

Females

4272

F18-39

4272

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

8938

Females

2362

F18-39

2362

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10650

Females

3182

F18-39

3182

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2314
Passed By
2097
Net Change
+217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15113
5K → 10K281465-1437#15113#16550
10K → 15K157293-136#16550#16686
15K → 20K31368+245#16686#16441
20K → HALF718+63#16441#16378
HALF → 25K26140+221#16378#16157
25K → 30K36941+328#16157#15829
30K → 20M17612+164#15829#15665
20M → 21M12565+60#15665#15605
21M → 35K9532+63#15605#15542
35K → 23M18017+163#15542#15379
23M → 24M13131+100#15379#15279
24M → 40K14816+132#15279#15147
40K → 25.2M1041+103#15147#15044
25.2M → FINISH1568+148#15044#14896
TOTALS23142097+217
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing