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BOSTON MARATHON 2026

Neelam Kahlon-Pfister

Bib: 15174•F

CA

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 29%
Age Group (F45-49)
#0 / 1786
Top 36%
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
24:01
3.11 mi
Rank: #14844
Start → 5K
24:01 | 7:44/mi
10K
48:10
6.21 mi
Rank: #15082 (-238)
5K → 10K
24:09 | 7:47/mi
15K
1:12:48
9.32 mi
Rank: #15514 (-432)
10K → 15K
24:38 | 7:56/mi
20K
1:38:06
12.43 mi
Rank: #15955 (-441)
15K → 20K
25:18 | 8:09/mi
HALF
1:43:38
13.11 mi
Rank: #16074 (-119)
20K → HALF
5:32 | 8:08/mi
25K
2:03:30
15.53 mi
Rank: #16196 (-122)
HALF → 25K
19:52 | 8:12/mi
30K
2:29:53
18.64 mi
Rank: #16283 (-87)
25K → 30K
26:23 | 8:30/mi
20M
2:41:33
20.00 mi
Rank: #16305 (-22)
30K → 20M
11:40 | 8:36/mi
21M
2:50:30
21.00 mi
Rank: #16235 (+70)
20M → 21M
8:57 | 8:57/mi
35K
2:56:45
21.75 mi
Rank: #16244 (-9)
21M → 35K
6:15 | 8:22/mi
23M
3:07:26
23.00 mi
Rank: #16191 (+53)
35K → 23M
10:41 | 8:33/mi
24M
3:15:50
24.00 mi
Rank: #16177 (+14)
23M → 24M
8:24 | 8:24/mi
40K
3:22:51
24.85 mi
Rank: #16079 (+98)
24M → 40K
7:01 | 8:13/mi
25.2M
3:25:51
25.20 mi
Rank: #16015 (+64)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:33:50
26.22 mi
Rank: #15933 (+82)
25.2M → FINISH
7:59 | 7:51/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:38
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:50:12
Pace8:25 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2624:017:4424:01
7:44
-
10K
6.21 mi11:19:3548:107:4624:09
7:47
+0:03
15K
9.32 mi11:44:131:12:487:4924:38
7:56
+0:09
20K
12.43 mi12:09:311:38:067:5425:18
8:09
+0:13
HALF
13.11 mi12:15:031:43:387:555:32
8:08
-0:01
25K
15.53 mi12:34:552:03:307:5819:52
8:12
+0:04
30K
18.64 mi13:01:182:29:538:0326:23
8:30
+0:18
20M
20.00 mi13:12:582:41:338:0511:40
8:36
+0:06
21M
21.00 mi13:21:552:50:308:088:57
8:57
+0:21
35K
21.75 mi13:28:102:56:458:086:15
8:22
-0:35
23M
23.00 mi13:38:513:07:268:0910:41
8:33
+0:11
24M
24.00 mi13:47:153:15:508:108:24
8:24
-0:09
40K
24.85 mi13:54:163:22:518:107:01
8:13
-0:11
25.2M
25.20 mi13:57:163:25:518:113:00
8:42
+0:29
FINISH
26.22 mi14:05:153:33:508:107:59
7:51
-0:51

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

7:44 /mi

Average Pace

8:10 /mi

Slowest Pace

8:57 /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

2:59:32

84% of race

Time at Steady Pace

34:18

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi10:55:2624:017:4424:01
7:44
#14844
10K
6.21 mi11:19:3548:107:4624:09
7:47
#15082
15K
9.32 mi11:44:131:12:487:4924:38
7:56
#15514
20K
12.43 mi12:09:311:38:067:5425:18
8:09
#15955
HALF
13.11 mi12:15:031:43:387:555:32
8:08
#16074
25K
15.53 mi12:34:552:03:307:5819:52
8:12
#16196
30K
18.64 mi13:01:182:29:538:0326:23
8:30
#16283
20M
20.00 mi13:12:582:41:338:0511:40
8:36
#16305
21M
21.00 mi13:21:552:50:308:088:57
8:57
#16235
35K
21.75 mi13:28:102:56:458:086:15
8:22
#16244
23M
23.00 mi13:38:513:07:268:0910:41
8:33
#16191
24M
24.00 mi13:47:153:15:508:108:24
8:24
#16177
40K
24.85 mi13:54:163:22:518:107:01
8:13
#16079
25.2M
25.20 mi13:57:163:25:518:113:00
8:42
#16015
FINISH
26.22 mi14:05:153:33:508:107:59
7:51
#15933
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 mi148444586458616450(Top 57%)5589(Top 44%)5589(Top 313%)
10K6.21 mi3.10 mi15082-2384782-1964782-19615399(Top 53%)4948(Top 39%)4948(Top 277%)
15K9.32 mi3.11 mi15514-4325053-2715053-27116450(Top 57%)5589(Top 44%)5589(Top 313%)
20K12.43 mi3.11 mi15955-4415326-2735326-27317144(Top 59%)6000(Top 48%)6000(Top 336%)
HALF13.11 mi0.68 mi16074-1195405-795405-7917905(Top 62%)6395(Top 51%)6395(Top 358%)
25K15.53 mi2.42 mi16196-1225483-785483-7816746(Top 58%)5848(Top 46%)5848(Top 327%)
30K18.64 mi3.11 mi16283-875573-905573-9016881(Top 58%)6038(Top 48%)6038(Top 338%)
20M20.00 mi1.36 mi16305-225597-245597-2416721(Top 58%)6044(Top 48%)6044(Top 338%)
21M21.00 mi1.00 mi16235+705584+135584+1315885(Top 55%)5620(Top 45%)5620(Top 315%)
35K21.75 mi0.75 mi16244-95601-175601-1716778(Top 58%)6189(Top 49%)6189(Top 347%)
23M23.00 mi1.25 mi16191+535592+95592+915934(Top 55%)5806(Top 46%)5806(Top 325%)
24M24.00 mi1.00 mi16177+145596-45596-416335(Top 56%)6085(Top 48%)6085(Top 341%)
40K24.85 mi0.85 mi16079+985560+365560+3613863(Top 48%)4816(Top 38%)4816(Top 270%)
25.2M25.20 mi0.35 mi16015+645535+255535+2513002(Top 45%)4390(Top 35%)4390(Top 246%)
FINISH26.22 mi1.02 mi15933+825501+345501+3414068(Top 48%)4956(Top 39%)4956(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16450

Females

5589

F45-49

5589

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15399

Females

4948

F45-49

4948

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16450

Females

5589

F45-49

5589

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17144

Females

6000

F45-49

6000

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

17905

Females

6395

F45-49

6395

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16746

Females

5848

F45-49

5848

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16881

Females

6038

F45-49

6038

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16721

Females

6044

F45-49

6044

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15885

Females

5620

F45-49

5620

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16778

Females

6189

F45-49

6189

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15934

Females

5806

F45-49

5806

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16335

Females

6085

F45-49

6085

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13863

Females

4816

F45-49

4816

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13002

Females

4390

F45-49

4390

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

14068

Females

4956

F45-49

4956

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1397
Passed By
2486
Net Change
-1089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14844
5K → 10K195433-238#14844#15082
10K → 15K96528-432#15082#15514
15K → 20K76517-441#15514#15955
20K → HALF8127-119#15955#16074
HALF → 25K120242-122#16074#16196
25K → 30K160247-87#16196#16283
30K → 20M82104-22#16283#16305
20M → 21M12454+70#16305#16235
21M → 35K5766-9#16235#16244
35K → 23M11562+53#16244#16191
23M → 24M7561+14#16191#16177
24M → 40K11820+98#16177#16079
40K → 25.2M673+64#16079#16015
25.2M → FINISH10422+82#16015#15933
TOTALS13972486-1089
📊

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