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BOSTON MARATHON 2026

Renee Macdonald

Bib: 23858•F

WA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 47%
Age Group (F50-54)
#0 / 1233
Top 47%
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
24:17
3.11 mi
Rank: #15578
Start → 5K
24:17 | 7:49/mi
10K
48:31
6.21 mi
Rank: #15570 (+8)
5K → 10K
24:14 | 7:48/mi
15K
1:13:33
9.32 mi
Rank: #16190 (-620)
10K → 15K
25:02 | 8:04/mi
20K
1:39:39
12.43 mi
Rank: #16936 (-746)
15K → 20K
26:06 | 8:25/mi
HALF
1:45:15
13.11 mi
Rank: #17030 (-94)
20K → HALF
5:36 | 8:13/mi
25K
2:06:06
15.53 mi
Rank: #17398 (-368)
HALF → 25K
20:51 | 8:36/mi
30K
2:33:54
18.64 mi
Rank: #17754 (-356)
25K → 30K
27:48 | 8:57/mi
20M
2:46:45
20.00 mi
Rank: #18015 (-261)
30K → 20M
12:51 | 9:28/mi
21M
2:57:02
21.00 mi
Rank: #18255 (-240)
20M → 21M
10:17 | 10:17/mi
35K
3:03:59
21.75 mi
Rank: #18389 (-134)
21M → 35K
6:57 | 9:18/mi
23M
3:15:43
23.00 mi
Rank: #18498 (-109)
35K → 23M
11:44 | 9:23/mi
24M
3:24:42
24.00 mi
Rank: #18547 (-49)
23M → 24M
8:59 | 8:59/mi
40K
3:33:07
24.85 mi
Rank: #18695 (-148)
24M → 40K
8:25 | 9:51/mi
25.2M
3:36:37
25.20 mi
Rank: #18729 (-34)
40K → 25.2M
3:30 | 10:09/mi
FINISH
3:45:53
26.22 mi
Rank: #18827 (-98)
25.2M → FINISH
9:16 | 9:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:00:38
Pace9:13 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0824:177:4924:17
7:49
-
10K
6.21 mi11:51:2248:317:4924:14
7:48
-0:01
15K
9.32 mi12:16:241:13:337:5425:02
8:04
+0:16
20K
12.43 mi12:42:301:39:398:0226:06
8:25
+0:21
HALF
13.11 mi12:48:061:45:158:025:36
8:13
-0:12
25K
15.53 mi13:08:572:06:068:0820:51
8:36
+0:23
30K
18.64 mi13:36:452:33:548:1627:48
8:57
+0:21
20M
20.00 mi13:49:362:46:458:2112:51
9:28
+0:31
21M
21.00 mi13:59:532:57:028:2610:17
10:17
+0:49
35K
21.75 mi14:06:503:03:598:286:57
9:18
-0:59
23M
23.00 mi14:18:343:15:438:3111:44
9:23
+0:05
24M
24.00 mi14:27:333:24:428:328:59
8:59
-0:24
40K
24.85 mi14:35:583:33:078:358:25
9:51
+0:52
25.2M
25.20 mi14:39:283:36:378:363:30
10:09
+0:18
FINISH
26.22 mi14:48:443:45:538:389:16
9:06
-1:03

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

7:48 /mi

Average Pace

8:37 /mi

Slowest Pace

10:17 /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

1:45:15

47% of race

Time at Steady Pace

1:13:51

33% of race

Time at Slower Pace

46:47

21% of race

Average Pace: 8:37 /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 mi11:27:0824:177:4924:17
7:49
#15578
10K
6.21 mi11:51:2248:317:4924:14
7:48
#15570
15K
9.32 mi12:16:241:13:337:5425:02
8:04
#16190
20K
12.43 mi12:42:301:39:398:0226:06
8:25
#16936
HALF
13.11 mi12:48:061:45:158:025:36
8:13
#17030
25K
15.53 mi13:08:572:06:068:0820:51
8:36
#17398
30K
18.64 mi13:36:452:33:548:1627:48
8:57
#17754
20M
20.00 mi13:49:362:46:458:2112:51
9:28
#18015
21M
21.00 mi13:59:532:57:028:2610:17
10:17
#18255
35K
21.75 mi14:06:503:03:598:286:57
9:18
#18389
23M
23.00 mi14:18:343:15:438:3111:44
9:23
#18498
24M
24.00 mi14:27:333:24:428:328:59
8:59
#18547
40K
24.85 mi14:35:583:33:078:358:25
9:51
#18695
25.2M
25.20 mi14:39:283:36:378:363:30
10:09
#18729
FINISH
26.22 mi14:48:443:45:538:389:16
9:06
#18827
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi155785051505117431(Top 60%)6155(Top 49%)6155(Top 499%)
10K6.21 mi3.10 mi15570+85070-195070-1915666(Top 54%)5123(Top 41%)5123(Top 415%)
15K9.32 mi3.11 mi16190-6205452-3825452-38217431(Top 60%)6155(Top 49%)6155(Top 499%)
20K12.43 mi3.11 mi16936-7465895-4435895-44318735(Top 65%)6934(Top 55%)6934(Top 562%)
HALF13.11 mi0.68 mi17030-945953-585953-5818551(Top 64%)6800(Top 54%)6800(Top 552%)
25K15.53 mi2.42 mi17398-3686159-2066159-20619168(Top 66%)7218(Top 57%)7218(Top 585%)
30K18.64 mi3.11 mi17754-3566391-2326391-23219334(Top 67%)7396(Top 59%)7396(Top 600%)
20M20.00 mi1.36 mi18015-2616571-1806571-18020916(Top 72%)8301(Top 66%)8301(Top 673%)
21M21.00 mi1.00 mi18255-2406729-1586729-15821339(Top 74%)8547(Top 68%)8547(Top 693%)
35K21.75 mi0.75 mi18389-1346809-806809-8021127(Top 73%)8495(Top 68%)8495(Top 689%)
23M23.00 mi1.25 mi18498-1096885-766885-7620156(Top 69%)8046(Top 64%)8046(Top 653%)
24M24.00 mi1.00 mi18547-496927-426927-4219404(Top 67%)7726(Top 61%)7726(Top 627%)
40K24.85 mi0.85 mi18695-1487039-1127039-11221492(Top 74%)8831(Top 70%)8831(Top 716%)
25.2M25.20 mi0.35 mi18729-347059-207059-2019956(Top 69%)8038(Top 64%)8038(Top 652%)
FINISH26.22 mi1.02 mi18827-987130-717130-7120917(Top 72%)8533(Top 68%)8533(Top 692%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17431

Females

6155

F50-54

6155

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15666

Females

5123

F50-54

5123

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17431

Females

6155

F50-54

6155

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18735

Females

6934

F50-54

6934

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18551

Females

6800

F50-54

6800

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19168

Females

7218

F50-54

7218

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19334

Females

7396

F50-54

7396

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

20916

Females

8301

F50-54

8301

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21339

Females

8547

F50-54

8547

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21127

Females

8495

F50-54

8495

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20156

Females

8046

F50-54

8046

23M→24M

23.0 - 24.0 mi

Top 67%
×6
+12ft-82ft

Overall

19404

Females

7726

F50-54

7726

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21492

Females

8831

F50-54

8831

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

19956

Females

8038

F50-54

8038

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20917

Females

8533

F50-54

8533

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
810
Passed By
4059
Net Change
-3249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15578
5K → 10K283275+8#15578#15570
10K → 15K53673-620#15570#16190
15K → 20K45791-746#16190#16936
20K → HALF15109-94#16936#17030
HALF → 25K47415-368#17030#17398
25K → 30K102458-356#17398#17754
30K → 20M41302-261#17754#18015
20M → 21M28268-240#18015#18255
21M → 35K20154-134#18255#18389
35K → 23M59168-109#18389#18498
23M → 24M4392-49#18498#18547
24M → 40K26174-148#18547#18695
40K → 25.2M1347-34#18695#18729
25.2M → FINISH35133-98#18729#18827
TOTALS8104059-3249
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing