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BOSTON MARATHON 2026

Mercy Lopez-Najera

Bib: 31069 •F •Age: N/A

MA

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
35:54
3.11 mi
Rank: #28560
Start → 5K
35:54 | 11:34/mi
10K
1:12:39
6.21 mi
Rank: #28548 (+12)
5K → 10K
36:45 | 11:50/mi
15K
1:50:08
9.32 mi
Rank: #28506 (+42)
10K → 15K
37:29 | 12:04/mi
20K
2:32:41
12.43 mi
Rank: #28673 (-167)
15K → 20K
42:33 | 13:42/mi
HALF
2:40:52
13.11 mi
Rank: #28656 (+17)
20K → HALF
8:11 | 12:01/mi
25K
3:17:57
15.53 mi
Rank: #28779 (-123)
HALF → 25K
37:05 | 15:18/mi
30K
4:01:02
18.64 mi
Rank: #28732 (+47)
25K → 30K
43:05 | 13:53/mi
20M
4:19:12
20.00 mi
Rank: #28665 (+67)
30K → 20M
18:10 | 13:23/mi
21M
4:34:16
21.00 mi
Rank: #28654 (+11)
20M → 21M
15:04 | 15:04/mi
35K
4:43:40
21.75 mi
Rank: #28630 (+24)
21M → 35K
9:24 | 12:34/mi
23M
5:00:11
23.00 mi
Rank: #28600 (+30)
35K → 23M
16:31 | 13:12/mi
24M
5:12:32
24.00 mi
Rank: #28564 (+36)
23M → 24M
12:21 | 12:21/mi
40K
5:24:48
24.85 mi
Rank: #28550 (+14)
24M → 40K
12:16 | 14:21/mi
25.2M
5:29:41
25.20 mi
Rank: #28543 (+7)
40K → 25.2M
4:53 | 14:10/mi
FINISH
5:41:50
26.22 mi
Rank: #28513 (+30)
25.2M → FINISH
12:09 | 11:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:40:52
Pace12:17 /mi
2nd Half
Distance13.11 mi
Time3:00:58
Pace13:49 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:04:2535:5411:3435:54
11:34
-
10K
6.21 mi12:41:101:12:3911:4236:45
11:50
+0:16
15K
9.32 mi13:18:391:50:0811:4937:29
12:04
+0:14
20K
12.43 mi14:01:122:32:4112:1842:33
13:42
+1:38
HALF
13.11 mi14:09:232:40:5212:178:11
12:01
-1:41
25K
15.53 mi14:46:283:17:5712:4537:05
15:18
+3:17
30K
18.64 mi15:29:334:01:0212:5643:05
13:53
-1:25
20M
20.00 mi15:47:434:19:1212:5818:10
13:23
-0:30
21M
21.00 mi16:02:474:34:1613:0415:04
15:04
+1:41
35K
21.75 mi16:12:114:43:4013:039:24
12:34
-2:30
23M
23.00 mi16:28:425:00:1113:0416:31
13:12
+0:38
24M
24.00 mi16:41:035:12:3213:0212:21
12:21
-0:51
40K
24.85 mi16:53:195:24:4813:0512:16
14:21
+2:00
25.2M
25.20 mi16:58:125:29:4113:054:53
14:10
-0:11
FINISH
26.22 mi17:10:215:41:5013:0312:09
11:56
-2:14

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

11:34 /mi

Average Pace

13:03 /mi

Slowest Pace

15:18 /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

2:32:13

45% of race

Time at Steady Pace

1:17:14

23% of race

Time at Slower Pace

1:52:23

33% of race

Average Pace: 13:02 /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 mi12:04:2535:5411:3435:54
11:34
#28560
10K
6.21 mi12:41:101:12:3911:4236:45
11:50
#28548
15K
9.32 mi13:18:391:50:0811:4937:29
12:04
#28506
20K
12.43 mi14:01:122:32:4112:1842:33
13:42
#28673
HALF
13.11 mi14:09:232:40:5212:178:11
12:01
#28656
25K
15.53 mi14:46:283:17:5712:4537:05
15:18
#28779
30K
18.64 mi15:29:334:01:0212:5643:05
13:53
#28732
20M
20.00 mi15:47:434:19:1212:5818:10
13:23
#28665
21M
21.00 mi16:02:474:34:1613:0415:04
15:04
#28654
35K
21.75 mi16:12:114:43:4013:039:24
12:34
#28630
23M
23.00 mi16:28:425:00:1113:0416:31
13:12
#28600
24M
24.00 mi16:41:035:12:3213:0212:21
12:21
#28564
40K
24.85 mi16:53:195:24:4813:0512:16
14:21
#28550
25.2M
25.20 mi16:58:125:29:4113:054:53
14:10
#28543
FINISH
26.22 mi17:10:215:41:5013:0312:09
11:56
#28513
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28560122591225928404(Top 98%)12178(Top 97%)12178(Top 213%)
10K6.21 mi3.10 mi28548+1212253+612253+628483(Top 98%)12217(Top 97%)12217(Top 214%)
15K9.32 mi3.11 mi28506+4212228+2512228+2528404(Top 98%)12178(Top 97%)12178(Top 213%)
20K12.43 mi3.11 mi28673-16712343-11512343-11528848(Top 99%)12472(Top 99%)12472(Top 218%)
HALF13.11 mi0.68 mi28656+1712330+1312330+1328288(Top 97%)12135(Top 96%)12135(Top 212%)
25K15.53 mi2.42 mi28779-12312415-8512415-8528934(Top 100%)12531(Top 100%)12531(Top 219%)
30K18.64 mi3.11 mi28732+4712390+2512390+2528289(Top 97%)12182(Top 97%)12182(Top 213%)
20M20.00 mi1.36 mi28665+6712348+4212348+4227715(Top 95%)11883(Top 94%)11883(Top 208%)
21M21.00 mi1.00 mi28654+1112344+412344+428112(Top 97%)12121(Top 96%)12121(Top 212%)
35K21.75 mi0.75 mi28630+2412330+1412330+1427346(Top 94%)11733(Top 93%)11733(Top 205%)
23M23.00 mi1.25 mi28600+3012318+1212318+1227553(Top 95%)11840(Top 94%)11840(Top 207%)
24M24.00 mi1.00 mi28564+3612300+1812300+1827040(Top 93%)11640(Top 93%)11640(Top 204%)
40K24.85 mi0.85 mi28550+1412291+912291+928126(Top 97%)12179(Top 97%)12179(Top 213%)
25.2M25.20 mi0.35 mi28543+712287+412287+427360(Top 94%)11822(Top 94%)11822(Top 207%)
FINISH26.22 mi1.02 mi28513+3012274+1312274+1327386(Top 94%)11817(Top 94%)11817(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28404

Females

12178

F18-39

12178

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28483

Females

12217

F18-39

12217

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28404

Females

12178

F18-39

12178

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28848

Females

12472

F18-39

12472

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28288

Females

12135

F18-39

12135

HALF→25K

13.1 - 15.5 mi

Top 100%
×4
+66ft-88ft

Overall

28934

Females

12531

F18-39

12531

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28289

Females

12182

F18-39

12182

30K→20M

18.6 - 20.0 mi

Top 95%
×5
+64ft-50ft

Overall

27715

Females

11883

F18-39

11883

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28112

Females

12121

F18-39

12121

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27346

Females

11733

F18-39

11733

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27553

Females

11840

F18-39

11840

23M→24M

23.0 - 24.0 mi

Top 93%
×6
+12ft-82ft

Overall

27040

Females

11640

F18-39

11640

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28126

Females

12179

F18-39

12179

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27360

Females

11822

F18-39

11822

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27386

Females

11817

F18-39

11817

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
490
Passed By
443
Net Change
+47
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28560
5K → 10K8573+12#28560#28548
10K → 15K7836+42#28548#28506
15K → 20K7174-167#28506#28673
20K → HALF181+17#28673#28656
HALF → 25K5128-123#28656#28779
25K → 30K569+47#28779#28732
30K → 20M670+67#28732#28665
20M → 21M198+11#28665#28654
21M → 35K262+24#28654#28630
35K → 23M322+30#28630#28600
23M → 24M360+36#28600#28564
24M → 40K217+14#28564#28550
40K → 25.2M70+7#28550#28543
25.2M → FINISH333+30#28543#28513
TOTALS490443+47
📊

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