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SF MARATHON 2026

Thomas Boelter

Bib: 6102•M•Age: 63

Sunnyvale, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Masters (Masters Men)
#0 / 1321
Division (M60-64)
#0 / 101
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:11
Rank: #3450
Start → 2M
19:11 | 9:35/mi
4M
39:03
Rank: #3641 (-191)
2M → 4M
19:52 | 9:56/mi
6M
58:55
Rank: #3642 (-1)
4M → 6M
19:52 | 9:56/mi
8M
1:19:39
Rank: #3889 (-247)
6M → 8M
20:44 | 10:22/mi
9.6M
1:37:24
Rank: #3983 (-94)
8M → 9.6M
17:45 | 11:06/mi
10M
1:40:19
Rank: #3984 (-1)
9.6M → 10M
2:55 | 7:18/mi
10.5M
1:48:19
Rank: #4146 (-162)
10M → 10.5M
8:00 | 16:00/mi
12M
2:05:47
Rank: #4445 (-299)
10.5M → 12M
17:28 | 11:39/mi
14M
2:30:13
Rank: #4581 (-136)
12M → 14M
24:26 | 12:13/mi
16M
2:53:50
Rank: #4889 (-308)
14M → 16M
23:37 | 11:49/mi
18M
3:17:27
Rank: #4762 (+127)
16M → 18M
23:37 | 11:49/mi
20M
3:44:25
Rank: #4960 (-198)
18M → 20M
26:58 | 13:29/mi
22M
4:09:33
Rank: #5092 (-132)
20M → 22M
25:08 | 12:34/mi
24M
4:35:02
Rank: #5054 (+38)
22M → 24M
25:29 | 12:45/mi
Finish· 26.22 mi
4:59:45
Rank: #4934 (+120)
24M → Finish
24:43 | 11:08/mi

The Course

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Half Splits

1st Half· via 14M⚖️ Balanced
Distance14.00 mi
Time2:30:13
Pace10:44 /mi
2nd Half⚖️ Balanced
Distance12.22 mi
Time2:29:32
Pace12:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:42:0919:119:3519:11
9:35
-
4M
4.00 mi06:02:0139:039:4619:52
9:56
+0:21
6M
6.00 mi06:21:5358:559:4919:52
9:56
0:00
8M
8.00 mi06:42:371:19:399:5720:44
10:22
+0:26
9.6M
9.60 mi07:00:221:37:2410:0917:45
11:06
+0:44
10M
10.00 mi07:03:171:40:1910:022:55
7:18
-3:48
10.5M
10.50 mi07:11:171:48:1910:198:00
16:00
+8:42
12M
12.00 mi07:28:452:05:4710:2917:28
11:39
-4:21
14M
14.00 mi07:53:112:30:1310:4424:26
12:13
+0:34
16M
16.00 mi08:16:482:53:5010:5223:37
11:49
-0:24
18M
18.00 mi08:40:253:17:2710:5823:37
11:49
0:00
20M
20.00 mi09:07:233:44:2511:1326:58
13:29
+1:40
22M
22.00 mi09:32:314:09:3311:2125:08
12:34
-0:55
24M
24.00 mi09:58:004:35:0211:2825:29
12:45
+0:11
Finish
26.22 mi10:22:434:59:4511:2624:43
11:08
-1:37

Checkpoints & Pacing

📈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

7:18 /mi

Average Pace

11:26 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:34

28% of race

Time at Steady Pace

2:36:44

52% of race

Time at Slower Pace

1:00:27

20% of race

Average Pace: 11:26 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:42:0919:119:3519:11
9:35
#3450
4M
4.00 mi06:02:0139:039:4619:52
9:56
#3641
6M
6.00 mi06:21:5358:559:4919:52
9:56
#3642
8M
8.00 mi06:42:371:19:399:5720:44
10:22
#3889
9.6M
9.60 mi07:00:221:37:2410:0917:45
11:06
#3983
10M
10.00 mi07:03:171:40:1910:022:55
7:18
#3984
10.5M
10.50 mi07:11:171:48:1910:198:00
16:00
#4146
12M
12.00 mi07:28:452:05:4710:2917:28
11:39
#4445
14M
14.00 mi07:53:112:30:1310:4424:26
12:13
#4581
16M
16.00 mi08:16:482:53:5010:5223:37
11:49
#4889
18M
18.00 mi08:40:253:17:2710:5823:37
11:49
#4762
20M
20.00 mi09:07:233:44:2511:1326:58
13:29
#4960
22M
22.00 mi09:32:314:09:3311:2125:08
12:34
#5092
24M
24.00 mi09:58:004:35:0211:2825:29
12:45
#5054
Finish
26.22 mi10:22:434:59:4511:2624:43
11:08
#4934
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 76%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:55

Segment Time

12:08/mi

Pace

0.90 mi

Distance

Overall

5479

Men

4042

Division

60

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
2M2.00 mi2.00 mi34502795325770(Top 81%)4243(Top 84%)66(Top 65%)
4M4.00 mi2.00 mi3641-1912917-12231+13905(Top 54%)3111(Top 62%)34(Top 34%)
6M6.00 mi2.00 mi3642-12931-1429+23742(Top 52%)2997(Top 59%)33(Top 33%)
8M8.00 mi2.00 mi3889-2473096-16534-54782(Top 67%)3654(Top 72%)47(Top 47%)
9.6M9.60 mi1.60 mi3983-943155-5933+14546(Top 63%)3476(Top 69%)45(Top 45%)
10M10.00 mi0.40 mi3984-13158-3334646(Top 65%)3546(Top 70%)47(Top 47%)
10.5M10.50 mi0.50 mi4146-1623246-8837-45828(Top 81%)4243(Top 84%)72(Top 71%)
12M12.00 mi1.50 mi4445-2993426-18042-55770(Top 81%)4243(Top 84%)66(Top 65%)
14M14.00 mi2.00 mi4581-1363505-7947-55327(Top 74%)3959(Top 78%)61(Top 60%)
16M16.00 mi2.00 mi4889-3083699-19451-46068(Top 85%)4385(Top 87%)82(Top 81%)
18M18.00 mi2.00 mi4762+1273608+9147+44275(Top 60%)3204(Top 63%)45(Top 45%)
20M20.00 mi2.00 mi4960-1983713-10553-66046(Top 84%)4304(Top 85%)80(Top 79%)
22M22.00 mi2.00 mi5092-1323777-6455-25712(Top 80%)4055(Top 80%)77(Top 76%)
24M24.00 mi2.00 mi5054+383747+3054+14559(Top 64%)3280(Top 65%)54(Top 53%)
Finish26.22 mi2.22 mi4934+1203658+8952+23643(Top 51%)2643(Top 52%)28(Top 28%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
×1human
+6ft-11ft

Overall

5770

Males

4243

M60-64

66

2M→4M

2.0 - 4.0 mi

Top 54%
×4stories
+75ft-70ft

Overall

3905

Males

3111

M60-64

34

4M→6M

4.0 - 6.0 mi

Top 52%
×5stories
+71ft-18ft

Overall

3742

Males

2997

M60-64

33

6M→8M

6.0 - 8.0 mi

Top 67%
×9stories
+106ft-21ft

Overall

4782

Males

3654

M60-64

47

8M→9.6M

8.0 - 9.6 mi

Top 63%
×13stories
+117ft-177ft

Overall

4546

Males

3476

M60-64

45

9.6M→10M

9.6 - 10.0 mi

Top 65%
×1story
+17ft-12ft

Overall

4646

Males

3546

M60-64

47

10M→10.5M

10.0 - 10.5 mi

Top 81%
×9stories
+0ft-102ft

Overall

5828

Males

4243

M60-64

72

10.5M→12M

10.5 - 12.0 mi

Top 81%
×18stories
+304ft-125ft

Overall

5770

Males

4243

M60-64

66

12M→14M

12.0 - 14.0 mi

Top 74%
×9stories
+99ft-125ft

Overall

5327

Males

3959

M60-64

61

14M→16M

14.0 - 16.0 mi

Top 85%
×9stories
+124ft-78ft

Overall

6068

Males

4385

M60-64

82

16M→18M

16.0 - 18.0 mi

Top 60%
×8stories
+106ft-45ft

Overall

4275

Males

3204

M60-64

45

18M→20M

18.0 - 20.0 mi

Top 84%
×3stories
+52ft-26ft

Overall

6046

Males

4304

M60-64

80

20M→22M

20.0 - 22.0 mi

Top 80%
×21stories
+17ft-266ft

Overall

5712

Males

4055

M60-64

77

22M→24M

22.0 - 24.0 mi

Top 64%
×3stories
+70ft-85ft

Overall

4559

Males

3280

M60-64

54

24M→Finish

24.0 - 26.2 mi

Top 51%
~flat
+2ft-2ft

Overall

3643

Males

2643

M60-64

28

Passing Analysis

Category:
Athletes Passed
774*
Passed By
2258
Net Change
-1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3450
2M → 4M58*249-191#3450#3641
4M → 6M108109-1#3641#3642
6M → 8M9*256-247#3642#3889
8M → 9.6M53*147-94#3889#3983
9.6M → 10M1516-1#3983#3984
10M → 10.5M23185-162#3984#4146
10.5M → 12M11310-299#4146#4445
12M → 14M23*159-136#4445#4581
14M → 16M29*337-308#4581#4889
16M → 18M17952+127#4889#4762
18M → 20M20*218-198#4762#4960
20M → 22M29*161-132#4960#5092
22M → 24M77*39+38#5092#5054
24M → Finish140*20+120#5054#4934
TOTALS774*2258-1484

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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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