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SF MARATHON 2026

Jennifer Bolanos

Bib: 2163•F•Age: 23

Antioch, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
Top 43%
F20-29
#0 / 283
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
20:06
Rank: #4253
Start → 2M
20:06 | 10:03/mi
4M
41:05
Rank: #4560 (-307)
2M → 4M
20:59 | 10:30/mi
6M
1:01:27
Rank: #4339 (+221)
4M → 6M
20:22 | 10:11/mi
8M
1:21:24
Rank: #4279 (+60)
6M → 8M
19:57 | 9:58/mi
9.6M
1:38:44
Rank: #4219 (+60)
8M → 9.6M
17:20 | 10:50/mi
10M
1:41:40
Rank: #4223 (-4)
9.6M → 10M
2:56 | 7:21/mi
10.5M
1:48:41
Rank: #4198 (+25)
10M → 10.5M
7:01 | 14:02/mi
12M
2:03:15
Rank: #4094 (+104)
10.5M → 12M
14:34 | 9:43/mi
14M
2:27:32
Rank: #4302 (-208)
12M → 14M
24:17 | 12:08/mi
16M
2:44:20
Rank: #4052 (+250)
14M → 16M
16:48 | 8:24/mi
18M
3:08:57
Rank: #4143 (-91)
16M → 18M
24:37 | 12:19/mi
20M
3:30:26
Rank: #4037 (+106)
18M → 20M
21:29 | 10:44/mi
22M
3:50:49
Rank: #3951 (+86)
20M → 22M
20:23 | 10:11/mi
24M
4:14:37
Rank: #3911 (+40)
22M → 24M
23:48 | 11:54/mi
Finish· 26.22 mi
4:40:32
Rank: #3924 (-13)
24M → Finish
25:55 | 11:41/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:27:32
Pace10:32 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:13:00
Pace10:53 /mi
📊Negative Split: 9.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:39:4620:0610:0320:06
10:03
-
4M
4.00 mi06:00:4541:0510:1620:59
10:30
+0:27
6M
6.00 mi06:21:071:01:2710:1520:22
10:11
-0:19
8M
8.00 mi06:41:041:21:2410:1019:57
9:58
-0:13
9.6M
9.60 mi06:58:241:38:4410:1717:20
10:50
+0:52
10M
10.00 mi07:01:201:41:4010:102:56
7:21
-3:29
10.5M
10.50 mi07:08:211:48:4110:217:01
14:02
+6:41
12M
12.00 mi07:22:552:03:1510:1614:34
9:43
-4:19
14M
14.00 mi07:47:122:27:3210:3224:17
12:08
+2:25
16M
16.00 mi08:04:002:44:2010:1616:48
8:24
-3:44
18M
18.00 mi08:28:373:08:5710:3024:37
12:19
+3:55
20M
20.00 mi08:50:063:30:2610:3121:29
10:44
-1:35
22M
22.00 mi09:10:293:50:4910:2920:23
10:11
-0:33
24M
24.00 mi09:34:174:14:3710:3723:48
11:54
+1:43
Finish
26.22 mi10:00:124:40:3210:4225:55
11:41
-0:13

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

7:21 /mi

Average Pace

10:42 /mi

Slowest Pace

14:02 /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

19:44

7% of race

Time at Steady Pace

2:35:10

55% of race

Time at Slower Pace

1:45:38

38% of race

Average Pace: 10:42 /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
2M
2.00 mi05:39:4620:0610:0320:06
10:03
#4253
4M
4.00 mi06:00:4541:0510:1620:59
10:30
#4560
6M
6.00 mi06:21:071:01:2710:1520:22
10:11
#4339
8M
8.00 mi06:41:041:21:2410:1019:57
9:58
#4279
9.6M
9.60 mi06:58:241:38:4410:1717:20
10:50
#4219
10M
10.00 mi07:01:201:41:4010:102:56
7:21
#4223
10.5M
10.50 mi07:08:211:48:4110:217:01
14:02
#4198
12M
12.00 mi07:22:552:03:1510:1614:34
9:43
#4094
14M
14.00 mi07:47:122:27:3210:3224:17
12:08
#4302
16M
16.00 mi08:04:002:44:2010:1616:48
8:24
#4052
18M
18.00 mi08:28:373:08:5710:3024:37
12:19
#4143
20M
20.00 mi08:50:063:30:2610:3121:29
10:44
#4037
22M
22.00 mi09:10:293:50:4910:2920:23
10:11
#3951
24M
24.00 mi09:34:174:14:3710:3723:48
11:54
#3911
Finish
26.22 mi10:00:124:40:3210:4225:55
11:41
#3924
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 60%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:57

Segment Time

11:04/mi

Pace

0.90 mi

Distance

Overall

4274

Women

957

Division

162

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi42539111573784(Top 53%)785(Top 38%)138(Top 49%)
4M4.00 mi2.00 mi4560-3071038-127168-114831(Top 67%)1130(Top 54%)178(Top 63%)
6M6.00 mi2.00 mi4339+221946+92162+64091(Top 57%)855(Top 41%)146(Top 52%)
8M8.00 mi2.00 mi4279+60924+221624151(Top 58%)881(Top 42%)160(Top 57%)
9.6M9.60 mi1.60 mi4219+60913+11160+24203(Top 59%)925(Top 44%)159(Top 56%)
10M10.00 mi0.40 mi4223-4915-21604689(Top 65%)1098(Top 53%)178(Top 63%)
10.5M10.50 mi0.50 mi4198+25908+71604282(Top 60%)973(Top 47%)159(Top 56%)
12M12.00 mi1.50 mi4094+104865+43154+63784(Top 53%)785(Top 38%)138(Top 49%)
14M14.00 mi2.00 mi4302-208950-85162-85239(Top 73%)1310(Top 63%)209(Top 74%)
16M16.00 mi2.00 mi4052+250871+79153+92673(Top 37%)553(Top 27%)99(Top 35%)
18M18.00 mi2.00 mi4143-91908-37156-34706(Top 66%)1206(Top 58%)192(Top 68%)
20M20.00 mi2.00 mi4037+106885+23154+23410(Top 48%)791(Top 38%)130(Top 46%)
22M22.00 mi2.00 mi3951+86876+9153+13365(Top 47%)807(Top 39%)133(Top 47%)
24M24.00 mi2.00 mi3911+40880-4150+33761(Top 52%)1009(Top 48%)158(Top 56%)
Finish26.22 mi2.22 mi3924-13901-21154-44238(Top 59%)1163(Top 56%)191(Top 67%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 53%
×1human
+6ft-11ft

Overall

3784

Females

785

F20-24

140

2M→4M

2.0 - 4.0 mi

Top 67%
×4stories
+75ft-70ft

Overall

4831

Females

1130

F20-24

182

4M→6M

4.0 - 6.0 mi

Top 57%
×5stories
+71ft-18ft

Overall

4091

Females

855

F20-24

150

6M→8M

6.0 - 8.0 mi

Top 58%
×9stories
+106ft-21ft

Overall

4151

Females

881

F20-24

162

8M→9.6M

8.0 - 9.6 mi

Top 59%
×13stories
+117ft-177ft

Overall

4203

Females

925

F20-24

161

9.6M→10M

9.6 - 10.0 mi

Top 65%
×1story
+17ft-12ft

Overall

4689

Females

1098

F20-24

180

10M→10.5M

10.0 - 10.5 mi

Top 60%
×9stories
+0ft-102ft

Overall

4282

Females

973

F20-24

162

10.5M→12M

10.5 - 12.0 mi

Top 53%
×18stories
+304ft-125ft

Overall

3784

Females

785

F20-24

140

12M→14M

12.0 - 14.0 mi

Top 73%
×9stories
+99ft-125ft

Overall

5239

Females

1310

F20-24

211

14M→16M

14.0 - 16.0 mi

Top 37%
×9stories
+124ft-78ft

Overall

2673

Females

553

F20-24

99

16M→18M

16.0 - 18.0 mi

Top 66%
×8stories
+106ft-45ft

Overall

4706

Females

1206

F20-24

194

18M→20M

18.0 - 20.0 mi

Top 48%
×3stories
+52ft-26ft

Overall

3410

Females

791

F20-24

131

20M→22M

20.0 - 22.0 mi

Top 47%
×21stories
+17ft-266ft

Overall

3365

Females

807

F20-24

134

22M→24M

22.0 - 24.0 mi

Top 52%
×3stories
+70ft-85ft

Overall

3761

Females

1009

F20-24

159

24M→Finish

24.0 - 26.2 mi

Top 59%
~flat
+2ft-2ft

Overall

4238

Females

1163

F20-24

191

Passing Analysis

Category:
Athletes Passed
1463*
Passed By
1134
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4253
2M → 4M73*380-307#4253#4560
4M → 6M25130+221#4560#4339
6M → 8M100*40+60#4339#4279
8M → 9.6M117*57+60#4279#4219
9.6M → 10M1418-4#4219#4223
10M → 10.5M5429+25#4223#4198
10.5M → 12M13228+104#4198#4094
12M → 14M25*233-208#4094#4302
14M → 16M261*11+250#4302#4052
16M → 18M66157-91#4052#4143
18M → 20M120*14+106#4143#4037
20M → 22M109*23+86#4037#3951
22M → 24M88*48+40#3951#3911
24M → Finish53*66-13#3911#3924
TOTALS1463*1134+329

* 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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