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BOSTON MARATHON 2026

Guillermo Perez Palacios

Bib: 32864•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
28:23
3.11 mi
Rank: #23215
Start → 5K
28:23 | 9:09/mi
10K
56:09
6.21 mi
Rank: #22898 (+317)
5K → 10K
27:46 | 8:57/mi
15K
1:23:42
9.32 mi
Rank: #22640 (+258)
10K → 15K
27:33 | 8:53/mi
20K
1:51:24
12.43 mi
Rank: #22319 (+321)
15K → 20K
27:42 | 8:55/mi
HALF
1:57:17
13.11 mi
Rank: #22238 (+81)
20K → HALF
5:53 | 8:38/mi
25K
2:19:02
15.53 mi
Rank: #22022 (+216)
HALF → 25K
21:45 | 8:59/mi
30K
2:47:00
18.64 mi
Rank: #21585 (+437)
25K → 30K
27:58 | 9:01/mi
20M
2:59:30
20.00 mi
Rank: #21433 (+152)
30K → 20M
12:30 | 9:13/mi
21M
3:08:46
21.00 mi
Rank: #21224 (+209)
20M → 21M
9:16 | 9:16/mi
35K
3:15:27
21.75 mi
Rank: #21178 (+46)
21M → 35K
6:41 | 8:57/mi
23M
3:26:48
23.00 mi
Rank: #21040 (+138)
35K → 23M
11:21 | 9:05/mi
24M
3:35:15
24.00 mi
Rank: #20871 (+169)
23M → 24M
8:27 | 8:27/mi
40K
3:42:57
24.85 mi
Rank: #20769 (+102)
24M → 40K
7:42 | 9:01/mi
25.2M
3:46:19
25.20 mi
Rank: #20736 (+33)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:55:39
26.22 mi
Rank: #20774 (-38)
25.2M → FINISH
9:20 | 9:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:58:22
Pace9:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1928:239:0928:23
9:09
-
10K
6.21 mi12:26:0556:099:0327:46
8:57
-0:12
15K
9.32 mi12:53:381:23:428:5927:33
8:53
-0:04
20K
12.43 mi13:21:201:51:248:5827:42
8:55
+0:02
HALF
13.11 mi13:27:131:57:178:575:53
8:38
-0:17
25K
15.53 mi13:48:582:19:028:5821:45
8:59
+0:21
30K
18.64 mi14:16:562:47:008:5827:58
9:01
+0:02
20M
20.00 mi14:29:262:59:308:5912:30
9:13
+0:12
21M
21.00 mi14:38:423:08:469:009:16
9:16
+0:03
35K
21.75 mi14:45:233:15:279:006:41
8:57
-0:19
23M
23.00 mi14:56:443:26:489:0011:21
9:05
+0:08
24M
24.00 mi15:05:113:35:158:598:27
8:27
-0:38
40K
24.85 mi15:12:533:42:578:597:42
9:01
+0:34
25.2M
25.20 mi15:16:153:46:198:593:22
9:46
+0:45
FINISH
26.22 mi15:25:353:55:399:009:20
9:10
-0:36

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

8:27 /mi

Average Pace

9:00 /mi

Slowest Pace

9:46 /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

3:52:17

99% of race

Time at Steady Pace

3:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:58:1928:239:0928:23
9:09
#23215
10K
6.21 mi12:26:0556:099:0327:46
8:57
#22898
15K
9.32 mi12:53:381:23:428:5927:33
8:53
#22640
20K
12.43 mi13:21:201:51:248:5827:42
8:55
#22319
HALF
13.11 mi13:27:131:57:178:575:53
8:38
#22238
25K
15.53 mi13:48:582:19:028:5821:45
8:59
#22022
30K
18.64 mi14:16:562:47:008:5827:58
9:01
#21585
20M
20.00 mi14:29:262:59:308:5912:30
9:13
#21433
21M
21.00 mi14:38:423:08:469:009:16
9:16
#21224
35K
21.75 mi14:45:233:15:279:006:41
8:57
#21178
23M
23.00 mi14:56:443:26:489:0011:21
9:05
#21040
24M
24.00 mi15:05:113:35:158:598:27
8:27
#20871
40K
24.85 mi15:12:533:42:578:597:42
9:01
#20769
25.2M
25.20 mi15:16:153:46:198:593:22
9:46
#20736
FINISH
26.22 mi15:25:353:55:399:009:20
9:10
#20774
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23215138411384122045(Top 76%)13287(Top 81%)13287(Top 711%)
10K6.21 mi3.10 mi22898+31713697+14413697+14422568(Top 78%)13544(Top 83%)13544(Top 725%)
15K9.32 mi3.11 mi22640+25813571+12613571+12622045(Top 76%)13287(Top 81%)13287(Top 711%)
20K12.43 mi3.11 mi22319+32113412+15913412+15921537(Top 74%)13020(Top 80%)13020(Top 697%)
HALF13.11 mi0.68 mi22238+8113370+4213370+4220961(Top 72%)12775(Top 78%)12775(Top 684%)
25K15.53 mi2.42 mi22022+21613259+11113259+11121032(Top 72%)12757(Top 78%)12757(Top 683%)
30K18.64 mi3.11 mi21585+43713025+23413025+23419585(Top 67%)11982(Top 73%)11982(Top 641%)
20M20.00 mi1.36 mi21433+15212934+9112934+9119862(Top 68%)12048(Top 74%)12048(Top 645%)
21M21.00 mi1.00 mi21224+20912827+10712827+10717485(Top 60%)10918(Top 67%)10918(Top 584%)
35K21.75 mi0.75 mi21178+4612802+2512802+2519752(Top 68%)11852(Top 73%)11852(Top 634%)
23M23.00 mi1.25 mi21040+13812726+7612726+7618830(Top 65%)11377(Top 70%)11377(Top 609%)
24M24.00 mi1.00 mi20871+16912632+9412632+9416593(Top 57%)10311(Top 63%)10311(Top 552%)
40K24.85 mi0.85 mi20769+10212566+6612566+6618420(Top 63%)11096(Top 68%)11096(Top 594%)
25.2M25.20 mi0.35 mi20736+3312545+2112545+2118456(Top 64%)11116(Top 68%)11116(Top 595%)
FINISH26.22 mi1.02 mi20774-3812556-1112556-1121139(Top 73%)12416(Top 76%)12416(Top 665%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

22045

Males

13287

M50-54

13287

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22568

Males

13544

M50-54

13544

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

22045

Males

13287

M50-54

13287

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21537

Males

13020

M50-54

13020

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20961

Males

12775

M50-54

12775

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

21032

Males

12757

M50-54

12757

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19585

Males

11982

M50-54

11982

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19862

Males

12048

M50-54

12048

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17485

Males

10918

M50-54

10918

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19752

Males

11852

M50-54

11852

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18830

Males

11377

M50-54

11377

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16593

Males

10311

M50-54

10311

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18420

Males

11096

M50-54

11096

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18456

Males

11116

M50-54

11116

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21139

Males

12416

M50-54

12416

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2870
Passed By
429
Net Change
+2441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23215
5K → 10K447130+317#23215#22898
10K → 15K32163+258#22898#22640
15K → 20K35534+321#22640#22319
20K → HALF832+81#22319#22238
HALF → 25K25034+216#22238#22022
25K → 30K4436+437#22022#21585
30K → 20M17220+152#21585#21433
20M → 21M2178+209#21433#21224
21M → 35K6317+46#21224#21178
35K → 23M15618+138#21178#21040
23M → 24M1723+169#21040#20871
24M → 40K11412+102#20871#20769
40K → 25.2M4411+33#20769#20736
25.2M → FINISH3371-38#20736#20774
TOTALS2870429+2441

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📊

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