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BOSTON MARATHON 2026

Tracy Haisley

Bib: 27855•F

SC

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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
Age Group (F50-54)
#0 / 1233
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
35:16
3.11 mi
Rank: #28392
Start → 5K
35:16 | 11:22/mi
10K
1:10:21
6.21 mi
Rank: #28235 (+157)
5K → 10K
35:05 | 11:18/mi
15K
1:45:46
9.32 mi
Rank: #28120 (+115)
10K → 15K
35:25 | 11:24/mi
20K
2:22:50
12.43 mi
Rank: #28097 (+23)
15K → 20K
37:04 | 11:56/mi
HALF
2:30:56
13.11 mi
Rank: #28098 (-1)
20K → HALF
8:06 | 11:53/mi
25K
3:02:54
15.53 mi
Rank: #28163 (-65)
HALF → 25K
31:58 | 13:11/mi
30K
3:42:29
18.64 mi
Rank: #28055 (+108)
25K → 30K
39:35 | 12:45/mi
20M
3:59:52
20.00 mi
Rank: #27993 (+62)
30K → 20M
17:23 | 12:48/mi
21M
4:13:40
21.00 mi
Rank: #27971 (+22)
20M → 21M
13:48 | 13:48/mi
35K
4:22:30
21.75 mi
Rank: #27942 (+29)
21M → 35K
8:50 | 11:49/mi
23M
4:38:15
23.00 mi
Rank: #27901 (+41)
35K → 23M
15:45 | 12:36/mi
24M
4:50:43
24.00 mi
Rank: #27879 (+22)
23M → 24M
12:28 | 12:28/mi
40K
5:01:49
24.85 mi
Rank: #27864 (+15)
24M → 40K
11:06 | 12:59/mi
25.2M
5:06:46
25.20 mi
Rank: #27864
40K → 25.2M
4:57 | 14:22/mi
FINISH
5:18:21
26.22 mi
Rank: #27839 (+25)
25.2M → FINISH
11:35 | 11:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:30:56
Pace11:31 /mi
2nd Half
Distance13.11 mi
Time2:47:25
Pace12:47 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1135:1611:2235:16
11:22
-
10K
6.21 mi12:32:161:10:2111:2035:05
11:18
-0:04
15K
9.32 mi13:07:411:45:4611:2135:25
11:24
+0:06
20K
12.43 mi13:44:452:22:5011:3037:04
11:56
+0:32
HALF
13.11 mi13:52:512:30:5611:318:06
11:53
-0:03
25K
15.53 mi14:24:493:02:5411:4731:58
13:11
+1:18
30K
18.64 mi15:04:243:42:2911:5739:35
12:45
-0:26
20M
20.00 mi15:21:473:59:5212:0017:23
12:48
+0:03
21M
21.00 mi15:35:354:13:4012:0513:48
13:48
+1:00
35K
21.75 mi15:44:254:22:3012:058:50
11:49
-1:59
23M
23.00 mi16:00:104:38:1512:0615:45
12:36
+0:47
24M
24.00 mi16:12:384:50:4312:0712:28
12:28
-0:08
40K
24.85 mi16:23:445:01:4912:0911:06
12:59
+0:31
25.2M
25.20 mi16:28:415:06:4612:114:57
14:22
+1:23
FINISH
26.22 mi16:40:165:18:2112:1011:35
11:23
-2:59

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

11:18 /mi

Average Pace

12:09 /mi

Slowest Pace

14:22 /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

2:51:21

54% of race

Time at Steady Pace

1:25:11

27% of race

Time at Slower Pace

1:01:49

19% of race

Average Pace: 12:08 /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 mi11:57:1135:1611:2235:16
11:22
#28392
10K
6.21 mi12:32:161:10:2111:2035:05
11:18
#28235
15K
9.32 mi13:07:411:45:4611:2135:25
11:24
#28120
20K
12.43 mi13:44:452:22:5011:3037:04
11:56
#28097
HALF
13.11 mi13:52:512:30:5611:318:06
11:53
#28098
25K
15.53 mi14:24:493:02:5411:4731:58
13:11
#28163
30K
18.64 mi15:04:243:42:2911:5739:35
12:45
#28055
20M
20.00 mi15:21:473:59:5212:0017:23
12:48
#27993
21M
21.00 mi15:35:354:13:4012:0513:48
13:48
#27971
35K
21.75 mi15:44:254:22:3012:058:50
11:49
#27942
23M
23.00 mi16:00:104:38:1512:0615:45
12:36
#27901
24M
24.00 mi16:12:384:50:4312:0712:28
12:28
#27879
40K
24.85 mi16:23:445:01:4912:0911:06
12:59
#27864
25.2M
25.20 mi16:28:415:06:4612:114:57
14:22
#27864
FINISH
26.22 mi16:40:165:18:2112:1011:35
11:23
#27839
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 mi28392121491214927877(Top 96%)11838(Top 94%)11838(Top 960%)
10K6.21 mi3.10 mi28235+15712035+11412035+11428047(Top 97%)11938(Top 95%)11938(Top 968%)
15K9.32 mi3.11 mi28120+11511966+6911966+6927877(Top 96%)11838(Top 94%)11838(Top 960%)
20K12.43 mi3.11 mi28097+2311960+611960+627964(Top 96%)11897(Top 95%)11897(Top 965%)
HALF13.11 mi0.68 mi28098-111965-511965-528204(Top 97%)12081(Top 96%)12081(Top 980%)
25K15.53 mi2.42 mi28163-6512015-5012015-5028334(Top 98%)12155(Top 97%)12155(Top 986%)
30K18.64 mi3.11 mi28055+10811956+5911956+5927503(Top 95%)11731(Top 93%)11731(Top 951%)
20M20.00 mi1.36 mi27993+6211924+3211924+3227251(Top 94%)11619(Top 92%)11619(Top 942%)
21M21.00 mi1.00 mi27971+2211915+911915+927163(Top 94%)11633(Top 92%)11633(Top 943%)
35K21.75 mi0.75 mi27942+2911898+1711898+1726526(Top 91%)11319(Top 90%)11319(Top 918%)
23M23.00 mi1.25 mi27901+4111879+1911879+1926893(Top 93%)11539(Top 92%)11539(Top 936%)
24M24.00 mi1.00 mi27879+2211878+111878+127139(Top 94%)11690(Top 93%)11690(Top 948%)
40K24.85 mi0.85 mi27864+1511876+211876+227048(Top 93%)11657(Top 93%)11657(Top 945%)
25.2M25.20 mi0.35 mi2786411878-211878-227518(Top 95%)11887(Top 95%)11887(Top 964%)
FINISH26.22 mi1.02 mi27839+2511871+711871+726720(Top 92%)11506(Top 91%)11506(Top 933%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21
+97ft-345ft

Overall

27877

Females

11838

F50-54

11838

5K→10K

3.1 - 6.2 mi

Top 97%
×5
+79ft-138ft

Overall

28047

Females

11938

F50-54

11938

10K→15K

6.2 - 9.3 mi

Top 96%
×3
+67ft-78ft

Overall

27877

Females

11838

F50-54

11838

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27964

Females

11897

F50-54

11897

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28204

Females

12081

F50-54

12081

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28334

Females

12155

F50-54

12155

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27503

Females

11731

F50-54

11731

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27251

Females

11619

F50-54

11619

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27163

Females

11633

F50-54

11633

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26526

Females

11319

F50-54

11319

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

26893

Females

11539

F50-54

11539

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27139

Females

11690

F50-54

11690

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

27048

Females

11657

F50-54

11657

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27518

Females

11887

F50-54

11887

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
×2
+22ft-21ft

Overall

26720

Females

11506

F50-54

11506

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
856*
Passed By
303
Net Change
+553
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28392
5K → 10K202*45+157#28392#28235
10K → 15K14126+115#28235#28120
15K → 20K8158+23#28120#28097
20K → HALF1516-1#28097#28098
HALF → 25K3095-65#28098#28163
25K → 30K12214+108#28163#28055
30K → 20M686+62#28055#27993
20M → 21M3210+22#27993#27971
21M → 35K334+29#27971#27942
35K → 23M432+41#27942#27901
23M → 24M297+22#27901#27879
24M → 40K249+15#27879#27864
40K → 25.2M550#27864#27864
25.2M → FINISH316+25#27864#27839
TOTALS856*303+553

* 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