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BOSTON MARATHON 2026

Susannah Walmsley

Bib: 22917•F

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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 14%
Age Group (F50-54)
#0 / 1233
Top 8%
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
23:31
3.11 mi
Rank: #13343
Start → 5K
23:31 | 7:34/mi
10K
47:01
6.21 mi
Rank: #13428 (-85)
5K → 10K
23:31 | 7:34/mi
15K
1:10:16
9.32 mi
Rank: #13131 (+297)
10K → 15K
23:15 | 7:30/mi
20K
1:33:34
12.43 mi
Rank: #12858 (+273)
15K → 20K
23:18 | 7:30/mi
HALF
1:38:39
13.11 mi
Rank: #12845 (+13)
20K → HALF
5:05 | 7:28/mi
25K
1:57:05
15.53 mi
Rank: #12719 (+126)
HALF → 25K
18:26 | 7:37/mi
30K
2:21:37
18.64 mi
Rank: #12692 (+27)
25K → 30K
24:32 | 7:54/mi
20M
2:32:27
20.00 mi
Rank: #12661 (+31)
30K → 20M
10:50 | 7:59/mi
21M
2:41:02
21.00 mi
Rank: #12704 (-43)
20M → 21M
8:35 | 8:35/mi
35K
2:46:50
21.75 mi
Rank: #12694 (+10)
21M → 35K
5:48 | 7:46/mi
23M
2:56:58
23.00 mi
Rank: #12702 (-8)
35K → 23M
10:08 | 8:06/mi
24M
3:04:41
24.00 mi
Rank: #12637 (+65)
23M → 24M
7:43 | 7:43/mi
40K
3:11:39
24.85 mi
Rank: #12652 (-15)
24M → 40K
6:58 | 8:09/mi
25.2M
3:14:48
25.20 mi
Rank: #12675 (-23)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:23:07
26.22 mi
Rank: #12795 (-120)
25.2M → FINISH
8:19 | 8:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:39
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:44:28
Pace7:59 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0323:317:3423:31
7:34
-
10K
6.21 mi11:49:3447:017:3423:31
7:34
0:00
15K
9.32 mi12:12:491:10:167:3323:15
7:30
-0:04
20K
12.43 mi12:36:071:33:347:3223:18
7:30
0:00
HALF
13.11 mi12:41:121:38:397:325:05
7:28
-0:02
25K
15.53 mi12:59:381:57:057:3318:26
7:37
+0:09
30K
18.64 mi13:24:102:21:377:3624:32
7:54
+0:17
20M
20.00 mi13:35:002:32:277:3810:50
7:59
+0:05
21M
21.00 mi13:43:352:41:027:418:35
8:35
+0:36
35K
21.75 mi13:49:232:46:507:415:48
7:46
-0:49
23M
23.00 mi13:59:312:56:587:4210:08
8:06
+0:20
24M
24.00 mi14:07:143:04:417:427:43
7:43
-0:23
40K
24.85 mi14:14:123:11:397:436:58
8:09
+0:26
25.2M
25.20 mi14:17:213:14:487:443:09
9:09
+1:00
FINISH
26.22 mi14:25:403:23:077:468:19
8:10
-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

7:28 /mi

Average Pace

7:45 /mi

Slowest Pace

9:09 /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

51:38

25% of race

Time at Steady Pace

1:54:20

56% of race

Time at Slower Pace

37:09

18% of race

Average Pace: 7:45 /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 mi11:26:0323:317:3423:31
7:34
#13343
10K
6.21 mi11:49:3447:017:3423:31
7:34
#13428
15K
9.32 mi12:12:491:10:167:3323:15
7:30
#13131
20K
12.43 mi12:36:071:33:347:3223:18
7:30
#12858
HALF
13.11 mi12:41:121:38:397:325:05
7:28
#12845
25K
15.53 mi12:59:381:57:057:3318:26
7:37
#12719
30K
18.64 mi13:24:102:21:377:3624:32
7:54
#12692
20M
20.00 mi13:35:002:32:277:3810:50
7:59
#12661
21M
21.00 mi13:43:352:41:027:418:35
8:35
#12704
35K
21.75 mi13:49:232:46:507:415:48
7:46
#12694
23M
23.00 mi13:59:312:56:587:4210:08
8:06
#12702
24M
24.00 mi14:07:143:04:417:427:43
7:43
#12637
40K
24.85 mi14:14:123:11:397:436:58
8:09
#12652
25.2M
25.20 mi14:17:213:14:487:443:09
9:09
#12675
FINISH
26.22 mi14:25:403:23:077:468:19
8:10
#12795
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi133433693369312682(Top 44%)3386(Top 27%)3386(Top 275%)
10K6.21 mi3.10 mi13428-853766-733766-7313537(Top 47%)3856(Top 31%)3856(Top 313%)
15K9.32 mi3.11 mi13131+2973614+1523614+15212682(Top 44%)3386(Top 27%)3386(Top 275%)
20K12.43 mi3.11 mi12858+2733485+1293485+12911998(Top 41%)3113(Top 25%)3113(Top 252%)
HALF13.11 mi0.68 mi12845+133476+93476+912726(Top 44%)3444(Top 27%)3444(Top 279%)
25K15.53 mi2.42 mi12719+1263428+483428+4812300(Top 42%)3342(Top 27%)3342(Top 271%)
30K18.64 mi3.11 mi12692+273474-463474-4612717(Top 44%)3693(Top 29%)3693(Top 300%)
20M20.00 mi1.36 mi12661+313494-203494-2012674(Top 44%)3760(Top 30%)3760(Top 305%)
21M21.00 mi1.00 mi12704-433547-533547-5313679(Top 47%)4411(Top 35%)4411(Top 358%)
35K21.75 mi0.75 mi12694+103550-33550-312733(Top 44%)3933(Top 31%)3933(Top 319%)
23M23.00 mi1.25 mi12702-83561-113561-1113137(Top 45%)4236(Top 34%)4236(Top 344%)
24M24.00 mi1.00 mi12637+653549+123549+1211702(Top 40%)3548(Top 28%)3548(Top 288%)
40K24.85 mi0.85 mi12652-153584-353584-3513460(Top 46%)4581(Top 36%)4581(Top 372%)
25.2M25.20 mi0.35 mi12675-233615-313615-3115468(Top 53%)5667(Top 45%)5667(Top 460%)
FINISH26.22 mi1.02 mi12795-1203706-913706-9116195(Top 56%)6047(Top 48%)6047(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12682

Females

3386

F50-54

3386

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13537

Females

3856

F50-54

3856

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12682

Females

3386

F50-54

3386

15K→20K

9.3 - 12.4 mi

Top 41%
×5
+106ft-86ft

Overall

11998

Females

3113

F50-54

3113

20K→HALF

12.4 - 13.1 mi

Top 44%
×2
+19ft-37ft

Overall

12726

Females

3444

F50-54

3444

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12300

Females

3342

F50-54

3342

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12717

Females

3693

F50-54

3693

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12674

Females

3760

F50-54

3760

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13679

Females

4411

F50-54

4411

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12733

Females

3933

F50-54

3933

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13137

Females

4236

F50-54

4236

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11702

Females

3548

F50-54

3548

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13460

Females

4581

F50-54

4581

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15468

Females

5667

F50-54

5667

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16195

Females

6047

F50-54

6047

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1866*
Passed By
1233
Net Change
+548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13343
5K → 10K200200-85#13343#13428
10K → 15K380*83+297#13428#13131
15K → 20K306*33+273#13131#12858
20K → HALF3623+13#12858#12845
HALF → 25K19468+126#12845#12719
25K → 30K201*174+27#12719#12692
30K → 20M10675+31#12692#12661
20M → 21M64107-43#12661#12704
21M → 35K5646+10#12704#12694
35K → 23M93101-8#12694#12702
23M → 24M9934+65#12702#12637
24M → 40K6681-15#12637#12652
40K → 25.2M2245-23#12652#12675
25.2M → FINISH43163-120#12675#12795
TOTALS1866*1233+548

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing