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BOSTON MARATHON 2026

Marcy Withington

Bib: 18826•F

CT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 29%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F55-59)
#0 / 951
Top 3%
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
22:54
3.11 mi
Rank: #11705
Start → 5K
22:54 | 7:23/mi
10K
47:24
6.21 mi
Rank: #14000 (-2295)
5K → 10K
24:30 | 7:54/mi
15K
1:11:10
9.32 mi
Rank: #13959 (+41)
10K → 15K
23:46 | 7:39/mi
20K
1:35:07
12.43 mi
Rank: #13891 (+68)
15K → 20K
23:57 | 7:43/mi
HALF
1:40:18
13.11 mi
Rank: #13886 (+5)
20K → HALF
5:11 | 7:37/mi
25K
1:59:10
15.53 mi
Rank: #13827 (+59)
HALF → 25K
18:52 | 7:47/mi
30K
2:23:31
18.64 mi
Rank: #13522 (+305)
25K → 30K
24:21 | 7:51/mi
20M
2:34:13
20.00 mi
Rank: #13374 (+148)
30K → 20M
10:42 | 7:53/mi
21M
2:42:31
21.00 mi
Rank: #13259 (+115)
20M → 21M
8:18 | 8:18/mi
35K
2:48:16
21.75 mi
Rank: #13193 (+66)
21M → 35K
5:45 | 7:42/mi
23M
2:58:09
23.00 mi
Rank: #13098 (+95)
35K → 23M
9:53 | 7:54/mi
24M
3:05:47
24.00 mi
Rank: #12999 (+99)
23M → 24M
7:38 | 7:38/mi
40K
3:12:27
24.85 mi
Rank: #12903 (+96)
24M → 40K
6:40 | 7:48/mi
25.2M
3:15:21
25.20 mi
Rank: #12858 (+45)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:22:55
26.22 mi
Rank: #12732 (+126)
25.2M → FINISH
7:34 | 7:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:18
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3622:547:2322:54
7:23
-
10K
6.21 mi11:30:0647:247:3824:30
7:54
+0:31
15K
9.32 mi11:53:521:11:107:3923:46
7:39
-0:15
20K
12.43 mi12:17:491:35:077:4023:57
7:43
+0:04
HALF
13.11 mi12:23:001:40:187:405:11
7:37
-0:06
25K
15.53 mi12:41:521:59:107:4118:52
7:47
+0:10
30K
18.64 mi13:06:132:23:317:4224:21
7:51
+0:04
20M
20.00 mi13:16:552:34:137:4310:42
7:53
+0:02
21M
21.00 mi13:25:132:42:317:458:18
8:18
+0:25
35K
21.75 mi13:30:582:48:167:455:45
7:42
-0:36
23M
23.00 mi13:40:512:58:097:459:53
7:54
+0:12
24M
24.00 mi13:48:293:05:477:457:38
7:38
-0:16
40K
24.85 mi13:55:093:12:277:456:40
7:48
+0:10
25.2M
25.20 mi13:58:033:15:217:462:54
8:25
+0:37
FINISH
26.22 mi14:05:373:22:557:457:34
7:26
-0:59

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

7:23 /mi

Average Pace

7:45 /mi

Slowest Pace

8:25 /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

3:11:43

94% of race

Time at Steady Pace

11:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:05:3622:547:2322:54
7:23
#11705
10K
6.21 mi11:30:0647:247:3824:30
7:54
#14000
15K
9.32 mi11:53:521:11:107:3923:46
7:39
#13959
20K
12.43 mi12:17:491:35:077:4023:57
7:43
#13891
HALF
13.11 mi12:23:001:40:187:405:11
7:37
#13886
25K
15.53 mi12:41:521:59:107:4118:52
7:47
#13827
30K
18.64 mi13:06:132:23:317:4224:21
7:51
#13522
20M
20.00 mi13:16:552:34:137:4310:42
7:53
#13374
21M
21.00 mi13:25:132:42:317:458:18
8:18
#13259
35K
21.75 mi13:30:582:48:167:455:45
7:42
#13193
23M
23.00 mi13:40:512:58:097:459:53
7:54
#13098
24M
24.00 mi13:48:293:05:477:457:38
7:38
#12999
40K
24.85 mi13:55:093:12:277:456:40
7:48
#12903
25.2M
25.20 mi13:58:033:15:217:462:54
8:25
#12858
FINISH
26.22 mi14:05:373:22:557:457:34
7:26
#12732
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi117052753275314111(Top 49%)4196(Top 33%)4196(Top 441%)
10K6.21 mi3.10 mi14000-22954088-13354088-133516340(Top 56%)5513(Top 44%)5513(Top 580%)
15K9.32 mi3.11 mi13959+414093-54093-514111(Top 49%)4196(Top 33%)4196(Top 441%)
20K12.43 mi3.11 mi13891+684081+124081+1213797(Top 48%)4093(Top 33%)4093(Top 430%)
HALF13.11 mi0.68 mi13886+54081408113934(Top 48%)4096(Top 33%)4096(Top 431%)
25K15.53 mi2.42 mi13827+594062+194062+1913686(Top 47%)4108(Top 33%)4108(Top 432%)
30K18.64 mi3.11 mi13522+3053934+1283934+12812261(Top 42%)3457(Top 27%)3457(Top 364%)
20M20.00 mi1.36 mi13374+1483879+553879+5511959(Top 41%)3383(Top 27%)3383(Top 356%)
21M21.00 mi1.00 mi13259+1153843+363843+3611877(Top 41%)3458(Top 27%)3458(Top 364%)
35K21.75 mi0.75 mi13193+663820+233820+2312252(Top 42%)3669(Top 29%)3669(Top 386%)
23M23.00 mi1.25 mi13098+953789+313789+3111771(Top 41%)3481(Top 28%)3481(Top 366%)
24M24.00 mi1.00 mi12999+993750+393750+3911125(Top 38%)3243(Top 26%)3243(Top 341%)
40K24.85 mi0.85 mi12903+963726+243726+2411045(Top 38%)3281(Top 26%)3281(Top 345%)
25.2M25.20 mi0.35 mi12858+453711+153711+1511106(Top 38%)3397(Top 27%)3397(Top 357%)
FINISH26.22 mi1.02 mi12732+1263669+423669+4210897(Top 38%)3302(Top 26%)3302(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14111

Females

4196

F55-59

4196

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16340

Females

5513

F55-59

5513

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14111

Females

4196

F55-59

4196

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13797

Females

4093

F55-59

4093

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

13934

Females

4096

F55-59

4096

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13686

Females

4108

F55-59

4108

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12261

Females

3457

F55-59

3457

30K→20M

18.6 - 20.0 mi

Top 41%
×5
+64ft-50ft

Overall

11959

Females

3383

F55-59

3383

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11877

Females

3458

F55-59

3458

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12252

Females

3669

F55-59

3669

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11771

Females

3481

F55-59

3481

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

11125

Females

3243

F55-59

3243

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

11045

Females

3281

F55-59

3281

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11106

Females

3397

F55-59

3397

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

10897

Females

3302

F55-59

3302

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1936*
Passed By
860
Net Change
-1027
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11705
5K → 10K8200-2295#11705#14000
10K → 15K221*180+41#14000#13959
15K → 20K191123+68#13959#13891
20K → HALF3631+5#13891#13886
HALF → 25K160101+59#13886#13827
25K → 30K349*44+305#13827#13522
30K → 20M17426+148#13522#13374
20M → 21M14328+115#13374#13259
21M → 35K8519+66#13259#13193
35K → 23M13540+95#13193#13098
23M → 24M11516+99#13098#12999
24M → 40K11923+96#12999#12903
40K → 25.2M549+45#12903#12858
25.2M → FINISH14620+126#12858#12732
TOTALS1936*860-1027

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

📊

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