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BOSTON MARATHON 2026

Melaine Balsdon

Bib: 19839•F

NY

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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
25:14
3.11 mi
Rank: #17750
Start → 5K
25:14 | 8:08/mi
10K
49:47
6.21 mi
Rank: #17178 (+572)
5K → 10K
24:33 | 7:55/mi
15K
1:14:45
9.32 mi
Rank: #17210 (-32)
10K → 15K
24:58 | 8:03/mi
20K
1:40:07
12.43 mi
Rank: #17241 (-31)
15K → 20K
25:22 | 8:10/mi
HALF
1:45:29
13.11 mi
Rank: #17167 (+74)
20K → HALF
5:22 | 7:53/mi
25K
2:05:57
15.53 mi
Rank: #17314 (-147)
HALF → 25K
20:28 | 8:27/mi
30K
2:33:00
18.64 mi
Rank: #17426 (-112)
25K → 30K
27:03 | 8:43/mi
20M
2:44:14
20.00 mi
Rank: #17217 (+209)
30K → 20M
11:14 | 8:17/mi
21M
2:53:09
21.00 mi
Rank: #17088 (+129)
20M → 21M
8:55 | 8:55/mi
35K
2:59:11
21.75 mi
Rank: #17011 (+77)
21M → 35K
6:02 | 8:04/mi
23M
3:09:34
23.00 mi
Rank: #16827 (+184)
35K → 23M
10:23 | 8:18/mi
24M
3:17:38
24.00 mi
Rank: #16706 (+121)
23M → 24M
8:04 | 8:04/mi
40K
3:24:43
24.85 mi
Rank: #16604 (+102)
24M → 40K
7:05 | 8:18/mi
25.2M
3:27:49
25.20 mi
Rank: #16550 (+54)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:35:57
26.22 mi
Rank: #16468 (+82)
25.2M → FINISH
8:08 | 7:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:4125:148:0825:14
8:08
-
10K
6.21 mi11:34:1449:478:0124:33
7:55
-0:13
15K
9.32 mi11:59:121:14:458:0224:58
8:03
+0:08
20K
12.43 mi12:24:341:40:078:0425:22
8:10
+0:07
HALF
13.11 mi12:29:561:45:298:035:22
7:53
-0:17
25K
15.53 mi12:50:242:05:578:0720:28
8:27
+0:34
30K
18.64 mi13:17:272:33:008:1327:03
8:43
+0:16
20M
20.00 mi13:28:412:44:148:1311:14
8:17
-0:26
21M
21.00 mi13:37:362:53:098:158:55
8:55
+0:38
35K
21.75 mi13:43:382:59:118:156:02
8:04
-0:51
23M
23.00 mi13:54:013:09:348:1510:23
8:18
+0:14
24M
24.00 mi14:02:053:17:388:158:04
8:04
-0:14
40K
24.85 mi14:09:103:24:438:157:05
8:18
+0:14
25.2M
25.20 mi14:12:163:27:498:153:06
9:00
+0:42
FINISH
26.22 mi14:20:243:35:578:158:08
7:59
-1:01

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

7:53 /mi

Average Pace

8:15 /mi

Slowest Pace

9:00 /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

2:56:53

82% of race

Time at Steady Pace

39:04

18% of race

Time at Slower Pace

0:00

0% 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 mi11:09:4125:148:0825:14
8:08
#17750
10K
6.21 mi11:34:1449:478:0124:33
7:55
#17178
15K
9.32 mi11:59:121:14:458:0224:58
8:03
#17210
20K
12.43 mi12:24:341:40:078:0425:22
8:10
#17241
HALF
13.11 mi12:29:561:45:298:035:22
7:53
#17167
25K
15.53 mi12:50:242:05:578:0720:28
8:27
#17314
30K
18.64 mi13:17:272:33:008:1327:03
8:43
#17426
20M
20.00 mi13:28:412:44:148:1311:14
8:17
#17217
21M
21.00 mi13:37:362:53:098:158:55
8:55
#17088
35K
21.75 mi13:43:382:59:118:156:02
8:04
#17011
23M
23.00 mi13:54:013:09:348:1510:23
8:18
#16827
24M
24.00 mi14:02:053:17:388:158:04
8:04
#16706
40K
24.85 mi14:09:103:24:438:157:05
8:18
#16604
25.2M
25.20 mi14:12:163:27:498:153:06
9:00
#16550
FINISH
26.22 mi14:20:243:35:578:158:08
7:59
#16468
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 mi177506362636217303(Top 60%)6081(Top 48%)6081(Top 340%)
10K6.21 mi3.10 mi17178+5726031+3316031+33116487(Top 57%)5613(Top 45%)5613(Top 314%)
15K9.32 mi3.11 mi17210-326052-216052-2117303(Top 60%)6081(Top 48%)6081(Top 340%)
20K12.43 mi3.11 mi17241-316069-176069-1717272(Top 60%)6089(Top 48%)6089(Top 341%)
HALF13.11 mi0.68 mi17167+746029+406029+4016215(Top 56%)5469(Top 43%)5469(Top 306%)
25K15.53 mi2.42 mi17314-1476112-836112-8318213(Top 63%)6690(Top 53%)6690(Top 375%)
30K18.64 mi3.11 mi17426-1126201-896201-8918053(Top 62%)6702(Top 53%)6702(Top 375%)
20M20.00 mi1.36 mi17217+2096093+1086093+10814776(Top 51%)4928(Top 39%)4928(Top 276%)
21M21.00 mi1.00 mi17088+1296040+536040+5315696(Top 54%)5522(Top 44%)5522(Top 309%)
35K21.75 mi0.75 mi17011+776020+206020+2014971(Top 52%)5176(Top 41%)5176(Top 290%)
23M23.00 mi1.25 mi16827+1845945+755945+7514480(Top 50%)4987(Top 40%)4987(Top 279%)
24M24.00 mi1.00 mi16706+1215888+575888+5714246(Top 49%)4938(Top 39%)4938(Top 276%)
40K24.85 mi0.85 mi16604+1025858+305858+3014392(Top 50%)5110(Top 41%)5110(Top 286%)
25.2M25.20 mi0.35 mi16550+545838+205838+2014747(Top 51%)5316(Top 42%)5316(Top 298%)
FINISH26.22 mi1.02 mi16468+825817+215817+2115083(Top 52%)5483(Top 44%)5483(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17303

Females

6081

F45-49

6081

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16487

Females

5613

F45-49

5613

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17303

Females

6081

F45-49

6081

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17272

Females

6089

F45-49

6089

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16215

Females

5469

F45-49

5469

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18213

Females

6690

F45-49

6690

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18053

Females

6702

F45-49

6702

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14776

Females

4928

F45-49

4928

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15696

Females

5522

F45-49

5522

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

14971

Females

5176

F45-49

5176

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14480

Females

4987

F45-49

4987

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14246

Females

4938

F45-49

4938

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14392

Females

5110

F45-49

5110

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14747

Females

5316

F45-49

5316

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15083

Females

5483

F45-49

5483

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2443*
Passed By
1051
Net Change
+1282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17750
5K → 10K665*93+572#17750#17178
10K → 15K169200-32#17178#17210
15K → 20K167198-31#17210#17241
20K → HALF8612+74#17241#17167
HALF → 25K93200-147#17167#17314
25K → 30K157200-112#17314#17426
30K → 20M219*10+209#17426#17217
20M → 21M16031+129#17217#17088
21M → 35K9720+77#17088#17011
35K → 23M19612+184#17011#16827
23M → 24M13817+121#16827#16706
24M → 40K12725+102#16706#16604
40K → 25.2M606+54#16604#16550
25.2M → FINISH10927+82#16550#16468
TOTALS2443*1051+1282

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing