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BOSTON MARATHON 2026

Melissa Sheldon

Bib: 22371•F

WI

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F45-49)
#0 / 1786
Top 41%
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
24:48
3.11 mi
Rank: #16834
Start → 5K
24:48 | 7:59/mi
10K
48:36
6.21 mi
Rank: #15694 (+1140)
5K → 10K
23:48 | 7:40/mi
15K
1:12:38
9.32 mi
Rank: #15376 (+318)
10K → 15K
24:02 | 7:45/mi
20K
1:37:03
12.43 mi
Rank: #15258 (+118)
15K → 20K
24:25 | 7:52/mi
HALF
1:42:24
13.11 mi
Rank: #15287 (-29)
20K → HALF
5:21 | 7:51/mi
25K
2:02:01
15.53 mi
Rank: #15384 (-97)
HALF → 25K
19:37 | 8:06/mi
30K
2:28:35
18.64 mi
Rank: #15765 (-381)
25K → 30K
26:34 | 8:34/mi
20M
2:40:28
20.00 mi
Rank: #15916 (-151)
30K → 20M
11:53 | 8:45/mi
21M
2:49:59
21.00 mi
Rank: #16077 (-161)
20M → 21M
9:31 | 9:31/mi
35K
2:56:20
21.75 mi
Rank: #16107 (-30)
21M → 35K
6:21 | 8:30/mi
23M
3:07:45
23.00 mi
Rank: #16290 (-183)
35K → 23M
11:25 | 9:08/mi
24M
3:16:20
24.00 mi
Rank: #16319 (-29)
23M → 24M
8:35 | 8:35/mi
40K
3:24:03
24.85 mi
Rank: #16392 (-73)
24M → 40K
7:43 | 9:02/mi
25.2M
3:27:20
25.20 mi
Rank: #16417 (-25)
40K → 25.2M
3:17 | 9:32/mi
FINISH
3:36:02
26.22 mi
Rank: #16488 (-71)
25.2M → FINISH
8:42 | 8:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:53:38
Pace8:41 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:2724:487:5924:48
7:59
-
10K
6.21 mi11:50:1548:367:5023:48
7:40
-0:19
15K
9.32 mi12:14:171:12:387:4824:02
7:45
+0:05
20K
12.43 mi12:38:421:37:037:4924:25
7:52
+0:07
HALF
13.11 mi12:44:031:42:247:495:21
7:51
-0:01
25K
15.53 mi13:03:402:02:017:5219:37
8:06
+0:15
30K
18.64 mi13:30:142:28:357:5926:34
8:34
+0:28
20M
20.00 mi13:42:072:40:288:0211:53
8:45
+0:11
21M
21.00 mi13:51:382:49:598:069:31
9:31
+0:46
35K
21.75 mi13:57:592:56:208:076:21
8:30
-1:01
23M
23.00 mi14:09:243:07:458:1011:25
9:08
+0:38
24M
24.00 mi14:17:593:16:208:118:35
8:35
-0:33
40K
24.85 mi14:25:423:24:038:137:43
9:02
+0:27
25.2M
25.20 mi14:28:593:27:208:143:17
9:32
+0:30
FINISH
26.22 mi14:37:413:36:028:158:42
8:33
-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

7:40 /mi

Average Pace

8:15 /mi

Slowest Pace

9:32 /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

2:02:01

56% of race

Time at Steady Pace

1:02:05

29% of race

Time at Slower Pace

31:56

15% of race

Average Pace: 8:14 /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 mi11:26:2724:487:5924:48
7:59
#16834
10K
6.21 mi11:50:1548:367:5023:48
7:40
#15694
15K
9.32 mi12:14:171:12:387:4824:02
7:45
#15376
20K
12.43 mi12:38:421:37:037:4924:25
7:52
#15258
HALF
13.11 mi12:44:031:42:247:495:21
7:51
#15287
25K
15.53 mi13:03:402:02:017:5219:37
8:06
#15384
30K
18.64 mi13:30:142:28:357:5926:34
8:34
#15765
20M
20.00 mi13:42:072:40:288:0211:53
8:45
#15916
21M
21.00 mi13:51:382:49:598:069:31
9:31
#16077
35K
21.75 mi13:57:592:56:208:076:21
8:30
#16107
23M
23.00 mi14:09:243:07:458:1011:25
9:08
#16290
24M
24.00 mi14:17:593:16:208:118:35
8:35
#16319
40K
24.85 mi14:25:423:24:038:137:43
9:02
#16392
25.2M
25.20 mi14:28:593:27:208:143:17
9:32
#16417
FINISH
26.22 mi14:37:413:36:028:158:42
8:33
#16488
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168345825582514837(Top 51%)4644(Top 37%)4644(Top 260%)
10K6.21 mi3.10 mi15694+11405139+6865139+68614434(Top 50%)4365(Top 35%)4365(Top 244%)
15K9.32 mi3.11 mi15376+3184968+1714968+17114837(Top 51%)4644(Top 37%)4644(Top 260%)
20K12.43 mi3.11 mi15258+1184903+654903+6515017(Top 52%)4815(Top 38%)4815(Top 270%)
HALF13.11 mi0.68 mi15287-294916-134916-1316047(Top 55%)5382(Top 43%)5382(Top 301%)
25K15.53 mi2.42 mi15384-975000-845000-8416069(Top 55%)5465(Top 43%)5465(Top 306%)
30K18.64 mi3.11 mi15765-3815262-2625262-26217206(Top 59%)6216(Top 49%)6216(Top 348%)
20M20.00 mi1.36 mi15916-1515376-1145376-11417675(Top 61%)6565(Top 52%)6565(Top 368%)
21M21.00 mi1.00 mi16077-1615493-1175493-11718595(Top 64%)7106(Top 56%)7106(Top 398%)
35K21.75 mi0.75 mi16107-305526-335526-3317529(Top 60%)6636(Top 53%)6636(Top 372%)
23M23.00 mi1.25 mi16290-1835639-1135639-11319090(Top 66%)7516(Top 60%)7516(Top 421%)
24M24.00 mi1.00 mi16319-295684-455684-4517394(Top 60%)6678(Top 53%)6678(Top 374%)
40K24.85 mi0.85 mi16392-735742-585742-5818532(Top 64%)7327(Top 58%)7327(Top 410%)
25.2M25.20 mi0.35 mi16417-255767-255767-2517456(Top 60%)6744(Top 54%)6744(Top 378%)
FINISH26.22 mi1.02 mi16488-715824-575824-5718356(Top 63%)7227(Top 57%)7227(Top 405%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14837

Females

4644

F45-49

4644

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14434

Females

4365

F45-49

4365

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14837

Females

4644

F45-49

4644

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

15017

Females

4815

F45-49

4815

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

16047

Females

5382

F45-49

5382

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16069

Females

5465

F45-49

5465

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17206

Females

6216

F45-49

6216

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17675

Females

6565

F45-49

6565

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18595

Females

7106

F45-49

7106

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17529

Females

6636

F45-49

6636

35K→23M

21.8 - 23.0 mi

Top 66%
×5
+23ft-63ft

Overall

19090

Females

7516

F45-49

7516

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17394

Females

6678

F45-49

6678

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18532

Females

7327

F45-49

7327

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17456

Females

6744

F45-49

6744

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18356

Females

7227

F45-49

7227

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2420*
Passed By
1727
Net Change
+346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16834
5K → 10K1177*37+1140#16834#15694
10K → 15K395*77+318#15694#15376
15K → 20K232*114+118#15376#15258
20K → HALF2352-29#15258#15287
HALF → 25K112200-97#15287#15384
25K → 30K107200-381#15384#15765
30K → 20M41192-151#15765#15916
20M → 21M59200-161#15916#16077
21M → 35K5383-30#16077#16107
35K → 23M47200-183#16107#16290
23M → 24M6493-29#16290#16319
24M → 40K47120-73#16319#16392
40K → 25.2M2146-25#16392#16417
25.2M → FINISH42113-71#16417#16488
TOTALS2420*1727+346

* 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